Grassfed vs. Organic Butter, And Which One Will Kill You Faster


Butter Basics

Butter. Oh yum, butter. Butter on corn, butter on scones, green beans in brown butter, buttercream icing, herb butter… Oh, butter, no other fat is quite like you, and we love you for it.

But let’s start at the beginning. Cow’s milk is separated into milk and cream. Butter is made from agitating (churning) this cream until the fat globules stick together and separate from a thin liquid called buttermilk. In the US, commercial butter must be at least 80% fat. The rest is generally water, milk solids and salt.

Basic butter quality is determined by freshness, fat content (higher fat means a richer product) and salt levels. Salting both flavors and preserves butter, helping it to last up to several months longer than unsalted butter. The longer shelf life of salted butter is both a blessing and a curse. Added salt means your butter in the fridge or on the counter stays fresh longer, but also means the store can sell you older butter, and the butter manufacturer can use older cream to make the butter.

In general, quality flaws and age can’t be “hidden” in unsalted butter. Plus, when you use butter as an ingredient, the salt level in the butter can change the flavor of your finished good. This is something bakers, in particular, think about. For these reasons, the standard advice is to go with unsalted. You won’t get an argument from me, but I but, to be frank, I like salt and I usually buy salted butter.

Grassfed Butter vs. Organic Butter

I compared two butters. In all photos, (A) on the left is Kerrygold, a rather well distributed grass fed butter from Ireland. (B) on the right is the Costco Kirkland Signature Brand Organic Butter I normally buy.

The Kerrygold at Costco was $6.99 for 3, 8-ounce bars, or $4.66 per pound. The KS organic was $7.99 for 2 pounds, or $3.99 per pound.

Butter (11)

I know some people have a problem with Kerrygold (hello, environmental impact of butter from Ireland!) and I’m sure it is not as delicious as the cultured butter some of you make from raw milk you get from a farm 14 minutes away, but it’s commercially available for a moderate price more or less nationally, so it’s good for this taste test.

The Taste Off

So, which delicious slab of saturated fat was more delicious? The grass fed butter was noticeably darker and more deeply yellow than the conventional butter. The photo below doesn’t actually capture how different the color was in person. Striking difference.

I asked my husband and daughter to weigh in with opinions on which butter they preferred.

My daughter on the appearance: “(A – grassfed butter) is more yellowy, a soft yellow. (B – organic butter) is more white and plain. It looks harder.” (Note both butters were at the same cool room temperature.)

Neither was told which butter they were tasting when they gave eyes-closed feedback.

Comments about (A) – The Grassfed Butter

  • “Hell of a lot more going on.”
  • “Full and creamy, nicely salty.”
  • “It tastes like it lasts a lot longer in your mouth, like after you swallow it you can still taste that there is butter there.”
  • “Melts like butter. Soft.”
  • “Really good.”

Comments about (B) – The Organic Butter

  • “Smooth, slightly sweet.”
  • “Tastes…like butter.”
  • “Really salty but the flavor doesn’t last very long.”
  • “It’s more lubricating than flavorful.”
  • “Feels hard but melted quickly.”

My daughter concluded, “I would rather have less salty (A) for longer than super salty (B) for a short period of time.” Both definitively preferred the flavor of the grassfed butter, praising a more complex and longer lasting flavor. In contrast the organic butter seemed overly salty and simple in flavor profile.

Clear Winner: Grass-fed

Why Organic? Why Grass Fed?

Why buy fancy-pants butter in the first place? Most people who seek out organic dairy do so because they believe it to be healthier, both for the planet and for the end-consumer. I’d guess that everyone who seeks out grassfed dairy thinks they are buying a healthier product.

But the specific “better” reasons for these two specialty butters tend to have a slightly different focus. Organic dairy is thought to be less contaminated by pollutants and toxins, whereas grassfed dairy is primarily praised for a better micro-nutrient profile, including much higher levels of CLA, better Omega-3 to Omega-6 fatty acid ratios and dramatically higher levels of Vitamin A and E.

Now, I happen to agree with the grassfed proponents on the nutrition stuff, and go out of my way to buy grassfed beef and, slightly less consistently, grassfed milk.

Let’s talk contamination. Pesticides, herbicides and toxins tend to build up over time in the fat, including in the dairy fat of animals. (More on this later.) It is a reasonable assumption that animals fed foods less tainted by these pesticides, herbicides and toxins would make foods, including milk and dairy products, less tainted by them.

Most large scale dairy operations practice some degree of confinement feeding, where corn and soy based feed are brought to the cows, instead of sending the cows out to eat grasses. This is true even for large organic dairies, with the major difference being that the corn and soy feed is (supposed to be) certified organic.

My sister, a professional animal scientist specializing in dairy breeding, once described to me the facilities at a major (major) organic dairy she toured. The cows walked around on bare dirt and were fed grain from troughs. The only thing that distinguished this operation from any other industrial dairy was the organic certification of the pesticides sprayed on the feed grains that were eventually given to the cows. My sister was not impressed.

Be that as it may, the theory is that, because of reduced exposure to pesticides, herbicides and other toxins on the feed, organic dairy is less contaminated than conventional dairy.

Grassfed dairy cows, like grassfed beef cows, graze only on pasture and dried forage and are therefore in theory are not getting any added toxic chemicals in their diet. But in practice, as you probably guessed, it’s more complicated.

Will Your Butter Kill You? The Giant Toxic Dairy Fat Issue

Unless you are opposed to butter on ethical (animal product) or fat-avoidance (fat! fat! fat!) grounds, there doesn’t seem to be a whole lot not to love about this substance. It’s delicious. It has great mouthfeel. It carries other flavors beautifully.

But there is one little thing that takes the shine off butter, and it’s called bioaccumulation. It turns out that animals tend to store many of the various chemical environmental toxins they are exposed to, like dioxins and nasty pesticides, in their fat. Fat is like the body’s savings account for building up a nice stash of terrible toxins.

In lactating mammals (including dairy cows and nursing moms) these chemicals are stored in the milk fat, too, and are in turn absorbed by whomever consumes that milkfat, be they calf, infant, or Starbucks Venti Whole Milk Latte lover. (Infants, our littlest, most vulnerable people, have some of the highest levels of toxic burden shoved upon them because of this milk fat toxin issue.)

Since butter is mostly fat, it is one of the most concentrated food sources of these bioaccumulative toxins. According to the Environmental Protection Agency’s Evaluation to Measure Persistant Bioaccumulative Toxic Pollutants in Cow Milk (link goes to a PDF):

The US EPA estimates that approximately 35% of an adult’s daily intake of dioxins is derived from dairy products. The percentage for children is even higher. Persistent, bioaccumulative and toxic pollutants (PBTs), including dioxins, bioaccumulate through the food chain and ultimately result in low-level contamination in most animal fats. It is important to understand the PBT levels in milk, as milk fat may be one of the highest dietary sources of PBT exposure. Analysis of milk also allows the opportunity to investigate geographic variability, as milk is produced and distributed on a regional scale.

So, to summarize, dairy cows store many icky chemical pollutants in their fat, including their milk fat. Dairy items highest in fat, including cheese, ice cream, cream and, alas, butter, are the most likely to contain concentrations of those icky chemical pollutants, and whenever we eat these goodies, the toxins go right into us.

And these bioaccumulated toxins? They are all really quite nasty. You would do well to avoid them as much as possible.

So, does buying organic or grass-fed butter lower your exposure? I wish I could say here that grass-fed dairy is inherently safer from a toxin accumulation stand-point – because I sure believe grass fed milk and butter are better from a micro-nutrient level – but the evidence I found actually suggests the opposite.

In the case of dioxin exposure in particular, animals that graze on contaminated soils and ingest that soil show the highest level of dioxin accumulation. The more contaminated silage or forage and soil they ingest, the more contaminated they become.

Grain finished ruminants, as distasteful as I find it to admit, may actually show lower dioxin levels because they spend less time eating contaminated grass.

According to the USDA report, Dioxins in the Foodchain (Link to PDF):

For terrestrial animals, the intake of vegetation or roughages is considered the most important dioxin exposure factor (Fries 1995a). Feeds derived from seeds contain lower concentrations of dioxins, since the seed is not directly exposed to the air. Ruminants therefore are more vulnerable to dioxin exposure than poultry and swine, as their feed source is predominantly roughage based…Finishing cattle in feedlots is thought to significantly reduce concentrations of dioxins in beef. This is hypothesized to be due to the feeding of a predominantly grain based diet for several months before slaughter (Lorber, et al. 1994).

Again with the summary: grains aren’t as contaminated because they aren’t in contact with the soil. Grass is. Therefore grain-fed cows may be less contaminated by dioxins than grass fed cows.

Oh, the humanity! Are you freaking kidding me? Is nothing sacred?

But, before you decide that you really can’t trust anything anymore and that even happy-hippie organic and grassfed foods are out to get you, know that sewage sludge, which contains all kinds of nasty bioaccumulative and heavy metal contaminants, is not allowed in USDA certified organic food production. So that’s something at least.

And in the case of Kerrygold butter in particular, we have the advantage of pretty good information about the level of dioxins occurring in milk, thanks to annual reports from the Irish Environmental Protection Agency which detail just this issue. And I’m no expert, but it appears that contaminants of Irish milk are very low.

Dioxin in Irish Milk

This chart shows dioxin levels in Irish cow’s milk compared with the EU limit value (the red line at the top of the chart). According to the report, Ireland compares favorably with other European countries, and the report says that exposure of Ireland’s citizens to dioxins is low.

From this I tentatively conclue that dairy products which are made with Irish cow’s milk, including Kerrygold butter, are probably very low risk from a bioaccumulative toxicity perspective. This, it would seem, is the best of both worlds: low toxin levels in the butterfat and the superior micro nutrient profile of grass fed dairy .

People eating a lot of grass fed butter (I’m looking at you, Mark’s Daily Apple guy) would probably be wise to investigate any known dioxin or other long-term contaminent issues in the area where the cows from which their butter is made graze in order to reduce their own bioaccumulation buildup.

What’s the takeaway from all this? Probably that you should consider moderating your consumption of dairy, particularly delicious high-fat, lovely, tasty dairy like cheese and butter. Sorry, that wasn’t the answer I was hoping for either. In fact, if I had known what I would find when I started this research I would have chosen to remain happily in ignorance, assuming I could eat grass fed butter and organic cheese with impunity.

But I am convinced that the superior flavor and low likelihood of contaminents make the relatively minor price increase between organic and Kerrygold butter worth it for my family. So it looks like I’ll be going grass fed from now.

What is your relationship with butter? Do you buy fancy grass-fed or organic butters?


  1. Laurel says

    We get raw milk, raw butter and raw cheese locally and it’s all grass-fed. The only off-farm inputs are from organic sources. I trust my farmers completely because I know they are purists. If they feed it to their kids you know it’s good.

    • Christine says

      People keep saying “what about grass fed organic butter?”. This is what I thought, and I found some here in California. Local grass fed organic butter. However, I am starting to realize that they have been spraying with chemtrails over our area. Since we are all supposed to pretend that this is not happening, surely the contaminated grass is still considered organic legally.

      • RealityCheck says

        Except that chemtrails are a ridiculous conspiracy theory encouraged by nutjobs. Please don’t be one.

          • Ambrose says

            Absolutely a fact that chemical trails are being sprayed over top of us and more over populated areas by far. Also check out what HAARP is in Alaska if you have not already. Look up the name Nick Begich!!!

          • Shakes169 says

            Look up Chemtrail in Wikipedia and it debunks the conspiracy theory and provides references

          • stevenp says

   is NOT a legit scientific/scholarly/factual reference site. it is a bunch of pseudo-scientific conspiracy babble published by a group of conspiracy-obsessed nutjobs. I’m a PhD scientist–I can tell the difference between real science and pseudoscience.

        • WiseToStayCurious says

          I believe a wise person ignores those who resort to name calling to make their point. I know plenty of PhDs who lack common sense… If someone uses the word “conspiracy,” “pseudoscience,” or “nutjob,” I know immediately they haven’t really researched the opposing argument. It’s the reaction to dismiss someone whose ideas are contradictory to their strongly held prior beliefs, the same as adhering to religious dogma. is an intelligent resource to question the geoengineering “chemtrail” program. Wikipedia is not in fact neutral, and does not trump other sites. There are many scientific documents available proving that their is indeed active geoengineering programs spraying aerosols into the air via planes. Oxford University has a site dedicated to actually promoting the program here:

          • Max says

            I know this is old now, but I am an aerospace engineer, I build planes with Boeing, and I can say from personal experience there is no tanks or nozzles or anything like that built or designed into the planes. How do you propose this is being hidden from all of the thousands of design and production engeeneers? And don’t say they are all paid to keep quiet, because we all know people are terrible at keeping secrets for a long time en masse.

      • Jack Murray says

        I am so sorry to inform you that you couldn’t be farther from reality then believing the government is spraying chemicals on you with our planes. There is SO MUCH going on in this world, being done to us, by our government on our behalf that we all need to be outraged about. When you fixate on something that is flat out not happening (don’t link your “proof” please) it weakens the arguments we need to be making, because the elitist-corporate-whoring-warmongers lump them all together to discredit them en masse. So please I am begging you to reconsider.

      • OMG says

        First time on this website, I thought it was well written and well researched. Reading the comments, all I can think is “Oh my God, are they actually saying that chemtrails exist? Really?”. OMG. Guys, you talk that the government is doing that. By government I am guessing you are talking about the U.S. government? What about the other ones? Do they all do that? Fucking dumbasses

    • K2 Advocate says

      One fundamental issues Erica did not include is that animals who are grass fed get vitamin K1 from the chlorophyll in the grass. Their bodies turn K1 into K2. Humans cannot turn K1 into K2, so we must get our K2 from our food. We also must get our vitamin A and vitamin D from our food. The Irish butter Erica describes sounds like it has a high K2 content, due to the fact of grass fed and the color. The more yellow–orange, the higher the K2 content. Animals who are not grass fed will not get K1 and will not make K2. Vitamin K2 is perhaps one of the most lacking vitamins in our western diet, along with A (real A, not beta carotene) and D. The health benefits of a K2-rich diet are astounding. And the resultant ill health from K2-less diet is what you see all around you, from cancer to diabetes, MS, RA, Alzheimer’s, possibly Parkinson’s and other neurological issues, wrinkles, joint problems, varicose veins, kidney calcification, eye issues, skin problems, osteoporosis, etc. I highly recommend the incredible book “Vitamin K2 and the Calcium Paradox” by Dr Kate Rheaume-Bleue, ND. A gold mine of information abut K2 and A and D, and the answer I have looked for for over 25 years. Please read the book before attempting supplementing–far too much information to be able to go into it here.

      • Cindy says

        I want to know one thing about this article… grains (corn- wheat- etc..) are all grown in the soil, like grass – before being harvested/processed into the grain mixture that is fed to cows, it also comes in contact with many other “things” that could contaminate it prior to being packaged as feed- right? So doesn’t that make grain still have the same issues? The article just makes it seem like organic-grain doesn’t come in contact with the soil- when actually- it was grown in the soil too.

        • Moo says

          It says:
          >. Feeds derived from seeds contain lower concentrations of dioxins, since the seed is not directly exposed to the air.

      • Sara says

        Thank you for that information! I just read “Nutrition and Physical Degeneration” and it talks about the K2 vitamin as well. I think there must be something in animal fat produced naturally that negates the toxins discussed in this article. People in the indigenous cultures studied by Dr. Weston Price in the 1930’s were completely healthy with perfect teeth and no need for modern doctors and dentists, and their main foods were animal fats, including dairy. We can’t create a more controlled study than that today, so I think that book is a great base for nutrition and which foods provide what the body needs. It’s so hard to find grass-fed local organic, but I’m searching.

    • Michael says

      I trust my farmer too. I trust the parenting skills of my farmer too. I trust Mother Nature. Maybe I’ll trust a little more cautiously after viewing YouTube : Albatross feeding their young. Surprising what parents nievly feed to the unsuspecting, trusting off spring.

  2. Bella says

    I know you said you didn’t want to hear it, but I would heartily recommend looking into locally sourced options. At my most recent residence, we had a local dairy that was small in scale and working towards their organic certification. Plus they delivered in nice little reusable glass bottles. And it tasted WAY better. And I know there is a certain amount of ‘oh I’m buying the best so it must taste better’ but this stuff really did taste better. So your article has given me the kick in the pants that I needed to find a new local, organic, grass fed (well see what we can come up with) source of milk and dairy. Because despite the very convincing argument to do so, I couldn’t personally bear to have my butter shipped from ireland.

  3. mothership says

    Local is good & nice & PC & all….BUT I think the point Erica is trying to make is- dioxins are MOST readily available to the cow/goat/etc through grass NOT grain…. and unless you KNOW FOR SURE your local happy cows are not grazing on dioxin infested grass (which a CO certificate does not necessarily test for) you might be safer going with PROVEN low dioxin grass fed (the Irish stuff)…
    OR…. better yet…help a mother out &…be part of the SOLUTION-
    find out how to get your local dairies tested and THEN spread the word!!!!
    & speaking of helping a mother out…what’s next?
    For the legions of new mothers raised throughout their youth on fast/junk food
    will “studies show” it’s safer for them NOT to breastfeed…
    UGGGH! the can of worms opened here…
    if only we could go back to butter fed ignorant bliss!

    • Bella says

      I guess my biggest issue with the recommendation, which I think adds an interesting philosophical debate is that the overall environmental cost of shipping butter from Ireland to Washington (or anywhere in the US) causes excess dioxin/toxin load ‘somewhere’. Is it okay for a dollar more to insure that my family gets dioxin free butter while at the same time encouraging more waste and toxins in the environment to others? How much of your food dollars are allocated to a vote of ‘people doing the right things’ versus ‘saving my family from the bad stuff’ versus just plain feeding a family a healthy diet. As a parent I agree that all are noble pursuits, that benefit my children in different ways and each person will draw the line somewhere.
      Now that I know this particularly interesting bit of research (thank you Erica), what do I chose to do with it – do I lower the consumption of butter in my household, switch to imported butter, start making my own from the raw dairy down the street, buy goats?

      • tslate says

        “we” as consumers were not the ones that introduced all this agri-chemicals and posionuous resides from manufacture into everything (air, water, soil). The amount of chemical residues from all sources is significantly more than the gov’t or industry let’s on. It will be another 50 years or so before people stop talking about and actually do something about it as the crisis will reach a tipping point. Many concerned people voice objections to all manner of pollutants as early as the 30’s but scientists and govt’s always know better. I outright reject the notion that my procuring sources of chem-free, whole foods wherever must somehow carry a “personal” cost of polluting the environment. I didn’t create this mess and my purchase of KG butter(if that’s a choice) certainly does not alter the world balance of environmental poisons negatively nor did I outlaw raw or healthy grass-fed anything in the US. Thank big agri-business for that.

        • tslate says

          By way of example, the Montrose Chemical Corp. dumped DDT with impunity for decades until the 1970s. The Montrose plant and the ocean off Palos Verdes where it dumped DDT are now listed as Environmental Protection Agency “Superfund” sites. Quote above from an article about DDT and thinning Condor eggshells responsible for their high mortality rates.

          So if it’s not DDT it’s a thousand other chemicals that industry and the gov’t is in denial about. So now I’m supposed to worry about shipping huge quantities of butter/cheese to the US via relatively safe methods that have been used for 100’s of years vs shipping huge quantities via truck across the US. I’d like to see that study, that honestly factors in all sources of pollution and compares increased US production of butter vs shipment from overseas. I’m guessing it’s a net sum zero game.

      • yelena says

        One benefit you forget to mention is that while buying grassfed butter shipped from overseas may have a environmental cost, your purchase also supports the grassfed butter company/industry… By buying GF, you are signalling to domestic producers (existing and potential) that there is a market for their product, and when that market exists, people (especially informed consumers) will prefer to buy local.

  4. Amy says

    Huh. I wonder what the likelihood is of a certain field being contaminated is – is the stuff universal, or only in specific locations. Or, how one goes about testing for it. Can you get it in a regular soil test, do you think? Adding it to the list of things I need to check up on.

  5. Jaimee says

    Thanks for the post Erica! We were just introduced to KerryGold butter only to discover we cannot get it locally for a reasonable price at all. If only Trader Joe’s would come to Champaign-Urbana… Anyway, we had previously been using Kirkland organic butter from Costco and were blown away by the difference ourselves. Now we are getting Rumiano grass fed butter through a food co-op and you’ve got me wondering what the dioxin profile looks like for the region where it comes from! Off to research…

    mothership: I also wanted to recommend a book called Having Faith: An Ecologist’s Journey to Motherhood by Sandra Steingraber. It was an engaging read, which talked in great depth about the toxins in breastmilk and her own conclusions about its safety. I read it years ago, but I recall her mentioning that we literally pour our toxins into our first breastfed child such that subsequent children receive much, much lower levels. At any rate, very disturbing, but if I remember correctly she concluded the pros outweighed the cons on breastfeeding.

    • Cindy says

      Jaimee, I would love to know what you find out about the dioxin profile on the brand Rumiano… I buy their cheese (so far I haven’t found their butter locally). Thanks much!

    • smith says

      Ya, but what kind of toxins are in baby formula? It’s typically made from cow milk from non organic cows fed gmo grain while living in their own feces. The alternative to dairy formula is made from hormone disrupting gmo soy. And that’s not including all the other synthetic ingredients added . I personally think breastmilk is always the better choice , barring medica ti on use by the mother , of course

    • yelena says

      Interesting, does that mean you could try to prolong the amount of time you breastfeed and use a pump to try to get the majority of chemicals out before you actually start breastfeeding your baby? I have never been pregnant but I’ve inferred that you can breastfeed for as long as you want…

  6. says

    We are a certified organic farm in Canada. We have been certified since 1993, and we have strict rules as to how much room animals have, how much time spent outside and access to grass/ fields etc. It’s NOT just the feed that is at issue, (although it must be certified organic also) but the total life and care of the animal and what it comes into contact with -air, water, housing, feed , environment, prohibition of pharmiceuticals…and care. Just to be clear.

  7. says

    The problem with assessing bioaccumulative toxin levels is that pockets of high-pollutant areas will exist, but these will not necessarily be clearly identified or known, because testing for this stuff is rather expensive and tricky. In general, combustion from industrial practices (medical waste incinerators, wood pulp processors, etc.) is a huge contributor for dioxin soil contamination. The toxin rises as particulate and then falls out and settles onto the soil. Water is contaminated too, by direct discharge of industrial waste products into waterways. The currents can then carry the toxic load for some ways. So it’s a tricky thing to figure out exactly what locations have a higher toxin load than others, and in almost all cases, a farmer grazing his cows on contaminated soil would have no way of knowing. For those of us in Western Washington, the very close proximity of traditionally industrial zones, for everything from paper mills to treated telephone poles, with traditional farm land area, is….well, not encouraging.

  8. says

    My hesitation with organic is that animals are not to be treated with medication (except for homeopathic, herbal, or other alternative methods) if they are to stay certified (it’s a humane treatment issue to me). So a sick animal can still be included in the producing herd. Smaller certified organic farmers would most likely just sell the animal off (generally for meat and at a loss), but with today’s factory farmed organic, less attention is paid to the individual animal which could mean an animal with mastitis is putting milk into the system (somatic cell counts of organic are the same as conventional). The bonus, however, is that new certification requirements make pasture a requirement for all ruminants (cows, sheep, goats). Hay does not count. Here’s some more info on the organic certification of livestock:

    I wouldn’t buy grassfed products if the animals were raised in an industrial or urban area, but if they are out on a rural ranch where dioxin contaminated land is less of an issue (dioxins are most present where burning of waste, especially plastics, has occurred or crops have been sprayed with pesticides), I wouldn’t worry too much. Chicken eggs from backyard poultry are a bigger concern. More good info:

    • says

      I should probably note that I do have dairy goats in an urban area, but we bring most of their feed in. They get very very little pasture from our property and being the picky bitches they are, they won’t eat anything under withers height.

    • thixotropic says

      They can and do treat a sick animal with the necessary medication — they’d have to, or it could make other animals ill, in addition to also making the animal suffer! They just don’t use the milk from her till she’s done with the treatment. And for any antibiotics and other medications there are guidelines for how long it takes for that medication to be cleared from the animal’s system.

  9. Kat says

    For those looking to understand the dioxin problem from a scintific standpoint, please read this 2010 study from the Washington State Department of Ecology.
    For those interested in just the results in plain English, read page 49, bottom half of page.
    Essentially, even background levels of Dioxins in Washington State (think Cascade Wilderness) exceed human health limits. I’d guess that any grass-fed livestock in Washington (eastern or western) will display increased levels of bio-accumulated toxins, just as the fish in this study did.
    That said, I have my own dairy goats and dual-purpose cows on my two acres. I also fish in the local streams and lakes….

  10. says

    Be afraid, be very afraid! We have not even started to worry about the radioactive fallout from Fukushima. At some point we have to acknowledge that we live on an increasingly toxic planet, do the best we can, support our organs of elimination, and let it go at that. STRESS is not good either and we can drive ourselves stark raving bonkers worrying about every bite. I have no access to Costco but am drooling at those prices. My delicious Dairyland European-style cultured butter is almost $6 per pound now. Neither grass-fed nor organic, alas. The organic stuff is twice that price. I draw the line somewhere.

    • says

      “STRESS is not good either and we can drive ourselves stark raving bonkers worrying about every bite.” So true. I’ll freely admit I went down the rabbit hole with this post – it was supposed to be a simple taste test and then…well, my research geek came out. ;)

    • says

      Please, do not spread FUD about radiation from Fukushima. You are at literally ZERO risk of any negative health effects from the events there, as are the overwhelming majority of Japanese people.

      Similarly, while it’s true that dioxins and related compounds are quite nasty at certain levels, they tend not to be all that bio-available in terrestrial ecosystems, as they bind fairly tightly to soil particles aren’t soluble in water, and are only taken up in very small amounts by plants.

      I don’t know that I would be terribly concerned about this issue, unless I knew that the farm I was buying my butter from was downwind from an operating municipal waste incinerator or other site that was likely to be producing a lot of airborne contaminants.

    • thixotropic says

      Thank you — I was just thinking this myself, reading these comments. Do the best you can and don’t overthink it too much. The effort you do make, makes a difference, and that’s where you’re helping to be a part of the solution and helping your family too. Driving yourself nuts over it is terribly stressful, and you won’t enjoy your food as much either.

  11. Karen says

    Having just attended a fantastic presentation on climate change by local weather guru Dr. Cliff Mass, I have to say that while focusing on potential dioxin contamination is interesting, we’re missing the forest for the trees. In his presentation, he outlined what our increased use of fossil fuels is doing to the climate of this planet. If our global fossil fuel use isn’t checked, then by his models in 2090, the Pacific Northwest will experience 180 days over 90 degrees. (I kept staring at that graphic thinking I must have seen it wrong, but it was there in black and white.) Our children may be alive to experience that, and our grandchildren certainly will. If I have to be exposed to a little more dioxin (which I’m already plenty exposed to anyway) by buying local in order to save my kids from that? That’s a no-brainer. Sorry Kerrygold. Your butter may be good, but it’s not that good.

  12. Kay says

    How timely! My health care provider recently told me that part of my high cholesterol problem might be due to the fact that I am consuming too LITTLE dietary fat. She of course recommended olive oil which is already my staple, but also suggested that since I don’t eat red meat, that I at least consume more dairy fat (Happy me!) but with the caveat that it needs to be from grass-fed cows to avoid the gluten/carb transference which she says is the real culprit in hypolipidemia. So I have been reading and researching and becoming more confused. I thank you so much for all your research and your balanced presentation. You have helped decide to stick with organic until I find butter and cheese that are both grass-fed AND organic. PS: Many (almost 20?) years ago, the owner of my neighborhood health food store said to me, “If you can only afford to buy one thing that is organic, make it butter.”

    • Lady banksia says

      Kay – I’m curious now – ‘gluten/carb transference’? Please elaborate in layman’s terms, as I did a “G” search for it and only this reference came up.


      • Kay says

        Lady Banksia, Sorry to say that I don’t really understand it either. She just said that carbs were more to blame for my hypolipidemia (high cholesterol) than dietary fat is. She said to cut out pastas, breads, etc and include more animal fat. Since I don’t eat much meat (no read meat), she said I should get my animal fat from dairy products from grass-fed cows. The theory being, I guess, that if the cows have been grain fed, then I am not avoiding the carbs. Michael Pollan talks about this very thing in his book, “In Defense of Food.” I wish I could be of more help, but I’m still in the process of understanding it myself. (After reading Erica’s article, though, I’m sticking with organic.)

          • Kay says

            Thanks, Mati, someone pointed this out to me earlier and, I’m embarrassed to say that I actually knew it, too, but must have had a senior moment when I was trying to explain my situation. *red face*

    • thixotropic says

      Carbs (especially simpler carbs like bread and pasta) cause hyperlipidemia (hypo = low) by jacking your insulin levels up, causing you to store more of their energy as fat, and also raising your triglycerides. Those are much more problematic than cholesterol, which we need, esp. as we age and our liver makes less of it.

      I had an LDL of over 200 and climbing — stopped nearly all of the simple carbs, eat only the least processed carbs (like rolled grains in hot cereal with lots of cinnamon for its insulin benefits and yumminess). I also increased my eggs, meat and dairy. Now my LDL is 70. (I also use a lot of olive oil; coconut oil for cooking, though.)

      Saturated fat/cholesterol make up ~25% of your brain tissue, iirc. Egg yolks, it turns out, help regulate your total cholesterol, in addition to being an excellent source of choline (also key for heart health) and lutein.

      • Kay says

        Thanks to thixotropic for this helpful information. My insurance will no longer pay for my cholesterol meds ($400 per mo.) and there is no generic , so I’m going cold turkey in an effort to take care of it myself with diet and exercise. I love the idea of allowing myself more good fats and, so far, am not really missing the pasta, etc. Thanks again for for your encouraging story.

      • Murgatroyd says

        I like olive oil but use it in moderation, not because of the fat, but because it causes the liver to release hepatic lipase which converts IDL to LDL. I prefer lots of butter and coconut oil and would be happy to find a product that was half butter and half coconut oil. I suppose I could make a combination butter/coconut oil ghee at home.

        • Murgatroyd says

          Also wanted to say there is some evidence that too many carbs contribute to cellular inflammation and leaky mitochondria. It seems mitochondria can produce lots more ATP from fats than it can from carbs. I am an advocate of the backup energy source of the brain being ketones from coconut oil.

        • CP says

          Just melt butter and coconut oil together, pour into a container and let harden. You may want to experiment with the ratio to get the right consistency/taste. Super easy!

  13. says

    Erica, I’m guessing one of your taste-testers has a saltier language than the other [see 1st rater comment], but I like your conclusions. The chefwife here is fiercely partial to Plugra (unsalted, of course), but this souschef will grab salted butter if left unsupervised in the store. Kerrygold is flat out a bargain, and often it just tumbles off the shelf as I’m pushing the cart by the dairy section at Fred’s. I can see a sequel to this post being about lard and coconut oil, surprises a-mundo when compared to oleomargarine .

    • dixiebelle says

      Oh, and we just signed up for a local Herdshare, so we now own a share of an ethically raised, grass fed, chemical free cow, and therefore own part of it’s (unprocessed) milk, which we will be getting delivered twice a week. Maybe I can be making my own butter, and have even more reason to gloat!

  14. Joycelyn says

    [comment redacted by admin to prevent copyright infringement]

    “If you believe that it is wrong to harm and kill animals for pleasure, then you should not consume milk or dairy products. Please visit our Milk Myths page to learn more about the humane and health myths of dairy, and visit our Vegan Food and Nutrition page for tips and links to delicious dairy alternatives.”

    See full article at

    • John says

      Sorry, you should keep up with recent studies on the negative health effects of switching to fully vegan or vegetarian foods… Humans are omnivores and our bodies need meat and dairy products. There is a reason why certain illnesses and epidemics are prevalent in the Asian Vegan societies especially India. Go do your research… And remember…Animals are FOOD not pets.

      • Alexandra says

        Dear John,
        This is not so. Humans do not have any biological requirement for eating animal flesh. I would need to see all of these so called peer reviewed medical studies that you are speaking of. Have you heard of Dr. Caldwell Esselstyn, Dr. Joel Fuhrman, Dr. Michael Gregor, Dr. Michael Klaper, etc. who all advocate for a 100% plant based diet. You should check out for more information. Animal products are loaded with harmful estrogen and IGF-1 which is directly linked to tumor growth and cancers.
        Respectfully yours,

        • Mothership says

          Um…… One look at our (human) teeth and digestive systems. Clue you into the fact that humans
          Are omnivores- I respect your CHOICE to be vegan or veg- but you need to respect
          What biology has given us ( humans).

  15. says

    I think my takeaway here is to use more olive oil where the flavor of butter isn’t utterly critical.
    Of course, olive oil is all shipped from somewhere far away from New England, so that solution has its own drawbacks.
    And olive oil would be odd in chocolate chip cookies.

    • thixotropic says

      Some of the world’s best olive oil is grown and pressed in California, and your chances of unadulterated product are much better if it’s from here rather than imported — and it doubtless goes mostly by train, which is by far the most fuel-efficient method of transport.

    • Jen says

      “…olive oil would be odd in chocolate chip cookies.”

      I use macadamia nut oil for my chocolate chip cookies. It has more monounsaturated fat than olive oil, and I think its flavor goes well with cookie ingredients like brown sugar.

    • Caroline says

      One of my sage and savvy besties turned me on to creaming together equal parts of olive oil with butter. It keeps well in a little mason jar in the fridge. It’s a great way to have the “best of both worlds” for those items you really would miss a butter flavor on, and it’s spreadable. (Of course, the majority of the time, you want to use one or the other exclusively; but a third option is nice.)

      I try as much as possible to not bake with EVOO, as the nutrients we prize so highly in it can easily fizzle in the sizzle. (I compromised having those amazing roasted veggies at 400F and now cook them longer at 300F. Not as lovely a texture, but that olive oil will lose it’s health benefits at temperatures much higher. Coconut oil — tends to be my go-to oil for higher temperature cooking. I try to buy very quality olive oil and consume it raw. Nut oils are awesome, too, for baked stuff.

  16. says

    And as someone who’s always lived in dairy country in the northeastern US, I don’t think I could bring myself to buy butter from Ireland. Just. Not. Right.

  17. Maynard Keller says

    I would’ve like to have seen “hi-tech” full butter alternatives included here (because they’re what I use these days. E.g., Butters mixed with olive oil and/or canola (full calorie and “light”), and products like Smart Balance made of various blends of vegetable oils (soy, palm fruit, olive, canola and flaxseed).

    Asking as I do find their taste quite acceptable and do sautee and fry eggs with Smart Balance.

    • thixotropic says

      Canola oil is nasty stuff. It’s GMO, has two different native toxins, and is not a healthy form of fat. (Soy is also GMO and not healthy either.)
      Both are GMO to enable them to be sprayed heavily with Round-Up, which is an herbicide with some seriously nasty health effects, and which also kills bees.

      “Hi tech” is not a good thing when it comes to food. The processing usually involves heat at a minimum, and that is *very* bad for oils — it makes them bad for you even if they were good to start with. You want the lowest-tech, least-processed food. Always.

      • Maynard Keller says

        Partly as a result of this article, but for many other reasons, I’ve since switched to mostly ayruvedic-based organic cooking. So the oils in my home are now organic ghee (Indian clarified butter – which tolerates reasonably high heat well and is fine for wherever I used to use butter) and virgin coconut oil.

        The coconut oil has also become my pre-shower hair and skin conditioner. I leave it in for hours and my grey coarse, flyaway hair has regained much of its softness and sheen after many years of steady decline.

  18. says

    Thank you for your geeky research! I have found myself several times in the aisle at Whole Paycheck, picking up the Kerrygold, then the organic, then the Kerrygold. I always settle on the Kerrygold because of the grass-fed caveat. I do also try to avoid the gluten transference from the grain-fed cows. As a vegan-turned-paleo (!) eater, any dairy is a treat, rather than a staple, and certainly not a necessity, so we’re not eating it very often. This post was really helpful, though, because I was considering the herdshare options in my community for raw milk products, but now think I won’t. We’re in the Midwest, and our city is surrounded by coal-fired power plants just raining that toxic soot on our soils. Hello mercury!

  19. Sue says

    It’s always so hard to balance all these factors. I’ve decided that for many things if I can’t get organic I prefer European products as they are much more restrictive as far as GMO’s and rBST/rGBH–and, oh, the flavor!! I’ll pick conventional Euro cheese over conventional US cheese 8 days a week. That said, I try as hard as I can to buy as much Organic as possible. I cook with grapeseed oil, rice bran oil or olive and I’m just starting to experiment with coconut oil. Still, you can’t beat really good quality butter for the flavor… oh, the dilemmas… I guess I’ll just have to keep trying to do the best I can to balance all of the issues. Sometimes one factor wins out, sometimes another one does. In any case, trying is always better than not trying.

  20. susan says

    If I spent all my time worrying as such I would eat nothing. Organic or not. Grassfed or not. My response is merely what are you doing to keep your body healthy so it can detoxify itself? While, yes, organic butter is not perfect it is still better than conventional. All food has an environmental impact same as health impact. Whether it is helpful or detrimental generally doesn’t present itself immediately. It took me three years to get myself turned around from a decent into lupus. It took more than a change in diet. While I can lightly pepper my diet with conventional foods ii can feel the difference. It takes more to feel full thus a heavier toxin load. A high fat diet has been important for me to feel satisfied and lose weight. Butter and lard are awesome vegetable fats don’t make the cut. Anyway, I’ve had 7 years to relax and quit feeling overwhelmed. It makes a big difference if you don’t stress. Btw stressing causes your body to hold toxins as well. Just figure out how to keep yourself detoxed and work to reduce the level of toxins you eat. You’ll do fine and be fine. Oh and not all local producers are created equal. Many settle for using conventional grains because it’s too hard to get organic. Some feed them in a feedlot situation all year. It’s all variable. Frankly it’s hard to take a farmers word for it sometimes. You have to see what they do and sample their products and compare it to others. Just because it tastes a little better than the store means nothing.

  21. Tyne Rochette says

    I am voting for organic grassfed butter, as I suspect this limits the bioaccumulation problem and adds all sorts of other health benefits.

    We eat a combination of healthy fats though, as some of us can’t have dairy. We eat pastured pork lard and coconut oil, mostly. Butter is really only something that is spread on the toast of those who can eat it, so we buy grassfed organic butter or make our own from our dairy share.

  22. says

    Mmm, butter.

    We are looking into getting a share in a local dairy cow soon, which will give us 8-10 litres/week of organic-conversation, mainly grass fed dairy milk (should be certified organic in a year or so). That won’t actually meet all my family’s needs, but we can’t afford two shares at the moment (even two shares might not if we were to start making our own cheese, which seems to use a LOT of milk. But I’ve only made ricotta so far, so what do I know?), so it will have to do as a start.

    Is there no grass fed organic butter available to you?

  23. says

    PS Thanks for the research. It did give me the kick up the butt to email our local dairy farmer about going to visit her farm next week so we can get on with it.

  24. joe says

    Try Organic Valley Pasture butter. It’s pretty expensive and not quite as falvorful as Kerrygold but its grassfed and organic. Still going to kill you.

    • Dana says

      You’ll die faster not eating the butter. I honestly believe her butter consumption was the reason Paula Deen was diagnosed with type 2 diabetes in her sixties rather than her forties despite all the sugar she also ate.

      Seriously, the stuff is protective. So are all the other animal foods, including the organs (including–gasp!–liver).

    • Jocelyn says

      Very late to this conversation, but am, at this moment, trying to determine which Organic Valley Pasture Butter to buy. Organic Valley’s own website doesn’t explain any difference, however, the OV Pasture Butter in the 1/4-lb cubes/1-lb box tastes a bit like your ‘B’ above (IMHO), and I tend to prefer the OV Pasture Butter wrapped in 1/2-lb foil package. Both also say Culture/d Butter, and list the same three ingredients. Am I making up this difference? Anyone interested else have taste experience with these two? And I do love all of your posts, Erica–thanks for doing what you do!

  25. Dana says

    I care more about the nutrition I am getting from my food than I do about traces of toxins that might be in it. If you are not getting nutrition from your food then you are wasting your body’s resources on something from which you get very little return. And you definitely won’t be equipped to deal with the toxins YOU WILL STILL ENCOUNTER even if every single food in your diet were produced organically.

    You can’t get away from it and I think the main reason that’s true is we focus more on risk avoidance than we focus on risk elimination. If everyone who dissed grass-fed would spend that time fighting the chemical companies instead, we might get somewhere.

    Also think about all the products you buy that are producing these toxins. If you refuse grass-fed and eat organic-but-not-grass-fed but you’re still buying plastics and petroleum-based household cleaners and every new electronic gadget that comes out (guess what: toxins were used to make them) then you’re not really helping anything.

  26. says

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  27. Daniel says

    Great article!
    As a butter consumer(10-20g/day) and a student of Food Science,Im very glad to find your article. I’m pretty sure the butter quality in my country is terrible, it has a freaking pale-white color. I’d be intrested to know the toxin levels in the french butters, espescially that from Normandie, which is known for its high quality.

  28. John says

    Thanks for a nice written advertisement for Kerrygold…just how much did they pay you for it?
    Why would anyone buy a product that spend month in a shipping container and weeks in a truck before it hits the shelf? Buy local, there are ample of local farmers that will be glad to sell you their fresh grass fed organic butter. Once you try it, you will never go back to a mass produced and overpriced product like Kerrygold.

    • elmo says

      “there are ample of local farmers that will be glad to sell you their fresh grass fed organic butter”

      really? where are they? there are none near me that i’m aware of and “grass fed organic” dairies are quite rare afaik.

      for some of us Kerry Gold is the best option for now.

  29. Maria says

    Wow, what a great article. I always wondered about the grass. Yes, it’s grass-fed, but what kind of grass did the cows eat? Was the grass spread with chemicals and GMO to be so beautifully green and lushy? You only talked about dairy, but what about meat itself? I thought I was doing great by buying grass fed, no grains ever 80/20 ground beef. Well, if harmful dioxins stick to fat then I need to start buying 93/7 ground beef or look for something else altogether. Research, research, research again. Starting with grass-fed companies to check if they use pesticides on their grass or just ask them, “ok, what do you spray on your grass to make it so green and lushy and eatable for cows?” Anyway, thanks again for our article, makes me think and make my choices. Wished Kerrygold could start produce meat as well.

  30. Emily says

    Shoot, back to coconut oil? But I like butter better! And my brain function deteriorates if I’m not consuming several tablespoons of either EVCO or butter every day.

    I found this article after beginning a re-read of The 100-Year Lie, and being reminded that fat accumulates toxins. My main issue is my son, whose behavior implies a possible need to detox. He drinks full-fat milk and several tablespoons of butter/day (and does not like coconut oil). I have a hard enough time getting Mr. Skinny to eat healthy food.

    I might have to resort to my recent skeptical comment to my sister, that anything you eat these days will kill you if you read enough nutrition research. Even organic fruits and veggies – heck, human breastmilk! – are contaminated with toxins. You can’t get away from them if you try.

    Not to say that we shouldn’t be conscious of the facts laid out in the above post, just saying that it seems we are forced these days to pick our poisons. And that constantly frustrates this food purist.

    • consciously aware mom says

      You took every word right out of my mouth. I am so sick of being disappointed by the quality and safety of our food, even the organic and grass fed. I started container gardening and all I can worry about is the poisons in the air and rain that is bathing my veggies that I am going to soon harvest. There really is no end to the pollution-chemtrails, acid rain, pesticide residual spray from nearby farmers- what gives? Yet as some say in the above comments, all we can do is our best when selecting the food we eat. Am I doing my best trying to start growing my own vegetables? I like to think so, but it is a lot of work, only to realize that it might not really make any difference at all… might as well just buy local produce and forget the headache.

    • K. Haugh says

      As a fellow food purist, I share your frustration. If you haven’t already read it,
      I highly recommend that you (and everyone else) read Nourishing Traditions, by Sally Fallon. The Weston Price Foundation has the best nutritional advice to be found anywhere. Fats are very protective of our health, and most people don’t get enough. If people avoid fats to avoid toxins, they won’t get the protective effects of the fat and will have nothing to protect them from the toxins in the rest of their foods. Your son should eat full-fat milk and butter, but grass-fed, or organic if you can get it. Milk should not be homogenized and be low-temp pasteurized (if you don’t want to use raw milk). Never buy UHT (ultra high temp) pasteurized milk, because it is dead, dead, dead, and causes health problems.
      Reduced fat or skim dairy products are not healthy: without the fat you can’t absorb the vitamins, and skim milk can contain powdered milk (think rancid, oxidized cholesterol) and does not have to be on the ingredient label. You refer to him as Mr. Skinny, but that is better than so many kids who are obese, because of everyone’s misguided notions of what is healthy. Diseases and obesity have only risen over the last century as people moved away from eating traditional foods. Eat plenty of fat, but reduce the toxic load by buying grass-fed or organic, not conventional. Eat whole foods that you make at home from scratch. You can cook with the coconut oil, or make treats with it for your son, if you want him to get some into his diet. Anyone concerned about nutrition really needs to learn about Weston Price and his research. He had the best possible conditions to study nutrition all around the world -when there were groups of people who were still eating their traditional diets, and had excellent health, compared to those who ate so-called modern foods and suffered immediate declines in health, and whose children who were born with problems.
      It’s true that we are all contaminated by chemicals, but the best defense is traditional foods organically grown, with plenty of saturated fats from butter, lard, tallow, and coconut oil. Also, organ meats, like liver, so we get plenty of true vitamin A, balanced with Vitamin D from sunshine. People used to eat the whole animal, not just the muscle meat. Learn how to make lacto-fermented vegetables. Good food costs more and takes more time to prepare, but what you save on medical bills saves in the long run.

  31. SueF says

    Ummmm, organic, grass-fed anyone ? Commonly available via Organic Valley and locally for me here in Southern, New Hampshire via local farms.

  32. Rebecca Sessa says

    I hate to burst your bubble but Kerrygold feeds their cows GMO feed during the winter. Want to know about the scary risks to your health and the environment caused by GMOs? Watch GMO OMG. You’re much better off eating 100% grass fed butter.

  33. Beverly says

    Interesting dialog. Accidentally on purpose just bought Organic Valley Cultured butter not understanding ‘cultured’. Emailed OV to ascertain which cultures. Rec’ d a quick reply listing Lactococcus lactis & Leucanostoc masteroides. Googled them & found the latter to have caused 42 patients to become infected at Juan Canalejo hospital hospital in NW Spain from July ’03 to
    October’04. The article continues to say that LM has been implicated in a variety of infections particularly in patients being treated with vancomycin & in immunocompromised patients. Not to engender worry I need to quote said article that ‘ these species have never previously been considered as agents that cause severe hospital outbreaks that threaten the lives of large numbers of persons’. Am I to be relieved?

  34. Eve says

    Just wanted to mention, since you brought up the color issue . . . salted Kerrygold (gold pkg) is that rich golden color, and I initially assumed that was beceause of the grazing as well. However, if you buy unsalted Kerrygold (silver pkg) it is pretty mild yellow, like regular butter. Wanted to share that since many probably don’t buy unsalted. So color (unlike egg yolks) isn’t necessarily a cahracterisitc of grassfed butter in the case of Kerrygold. I have no idea why the color is different. The iodized salt content? But then it would be like everything else….. ??????

    • consciously aware mom says

      I too was going to comment about the color statement. We buy local grass fed butter from a farmer who uses no pesticides or fertilizer on his fields (only natural compost), and his fields never require inputs, and they have been nationally recognized for sustainable farming practices.
      The cows graze freely and are not ever crammed together in one area for any reason. Their salted and unsalted butter is a creamy pale yellow color hand-rolled into 3lb. rolls and wrapped in waxed paper. When compared to the brands you used in your ‘test’- and I have tried them both- I would NEVER buy anything but this local farmer’s butter. I am pretty sure color has nothing to do with what the cows have been eating, just like commercial bread you can buy that says “wheat,” yet is colored with caramel coloring and is anything but “wheat.”

  35. Elle says

    Has anyone seen the article on dioxins at Weston A. Price. It will help clear things up. If you get enough Vit A, there is no worry….

    • Nick says

      Ghee IS butter – it’s simply clarified butter where you allow the milk solids to brown before you strain them out.

  36. says

    Thank you so much for the thorough investigation you have done. This is certainly very useful information for a butter consumer like myself who attempts to live a chemical free life. I would be more vigilant in future. I use Kerrygold by the way and love the taste and certain health benefits of it being grass fed.
    I honestly think the only way to live a chemical free life is to move to a deserted island where there is no pollution and cultivate one’s own vegetation and raise one’s own animals.

  37. cory harris says

    Of course any source backed by the FDA, will say that grain, and soy fed cows are less toxin than grass fed cows because of the soil. Imagine that, the dairy industry”s sales dropping 20-30% because more people are switching to grass fed cows. Don’t think our government won’t contaminate the soil here to deter citizens from consuming grass fed products. They’ve already monopolized our water. When I was a kid my dad cleaned a mall right across from Andrews Air Force Base in Campsprings MD. He used too take me to a creek right off of Branch Ave. in Waldorf where there was free natural spring water. We would fill up gallons of water every weekend. It was amazing. Does that free source exist anymore ? What do you think? Let’s keep the grass fed craze underground as long as possible. Once it goes mainstream you can forget about it in this country, don”t get me wrong I love my country but the powers that be are greedy, greedy ,GREEDY.

  38. Barbara Stapleton says

    Kerry Gold, which I love, has snow on the ground in winter. INSTEAD of hay (anyone know why?) they feed their cattle GRAINS, some which they admitted, may be GMO in origin. So I think if you buy some whiter Kerry Gold, it may be the winter product. I would not eat it. Just an “FYI”

  39. Merv 48 says

    Interesting article; thanks! RE: nutrition, I started eating Kerry Gold because of the reported benefits to bone health. The price you paid for yours is high- I pay only $3.99 for a gold foil bar.

  40. says

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  41. Jack Cameron says

    If organic dairy production is done properly it will be primarily from grass fed cows. “Big Ag” has taken over much of “organic” dairy production and does not come close to providing meaningful access to pasture. A non-profit organization Cornucopia provides a scorecard on how closely dairy producers adhere to the requirements of organic dairy production. On a scale of one to five, Costco (Kirkland) rates one.

    In the 1940s cattle and dairy producers discovered that cattle gain weight faster and diary cows give more milk when fed grain high in omega-6 linoleic acid because of impairment of thyroid function (hypothyroidism) which results in reduced energy expenditure and increased weight gain per calorie of food intake. In humans and animals, increased n-6 linoleic acid intake impairs thyroid function, causes insulin resistance that leads to non-alcoholic liver disease and induces obesity. Grain fed cows suffer from liver damage which shortens their lifespan. (I don’t like the idea of getting dairy products from sick cows.)

    Grain fed cows produce more than twice as much milk as grass fed cows but live less than half as long. The primary grain fed to dairy cows is soybeans, almost all which is GMO which has unknown consequences.

    The price of the Costco butter is cheap compared to what you pay for real organic butter. The cheap price of the Costco butter is a clue that it is not from grass fed cows. Dairy from grain fed cows is cheap because grain fed cows produce more than twice as much milk as grass fed cows.

    I buy raw milk butter and cheese from pastured cows raised by Pennsylvania Amish farmers who have lived for generations on the same land so dioxin contamination is not a problem. The dairy products are not “certified” organic but the farmers adhere to all requirements for organic dairy. I buy certified “organic” milk from an Alabama dairy that is top rated (five) by Cornucopia. The local supermarkets sell only “organic” dairy products from Big Ag.

    Another problem with grain fed cows is the reduced content of omega-3 fats that results from excessive omega-6 fats in the grain.

  42. Areyoukiddingmeladies says

    I read the OP with great interest, and could only bear a dozen or so comments.

    Mine is: some of you need to get off your high horses and get a life! Are we criticizing each other over this? I’m right, you’re wrong?

    C’mon ladies, it’s hard enough out there! Let’s support one another in our decisions. Even the easy ones, butter included.

  43. NoAggie says

    Great article!!!
    We have recently started using grass fed butter and we are loving it. We have a tough time finding it here in Ontario so we usually ask friends to bring it back from the states for us. Just a quick thought on the grass fed vs organic pros and cons. If we are essentially needing to chose high nutrient content vs low toxin levels, my reasoning would lean towards the availability of nutrients and take the toxins. Thinking from an immune perspective the more nutrient dense our food is the more fuel we have to rid our bodies of these toxins. Obviously not ideal but just my rationalization.
    Also I have a question about the “half life” of the diets of dairy cows. I personally would rather try to buy and consume local foods if possible. In Canada it is not likely to be able to pastor feed cows all year round so in the winter months when they are in doors how is their milk effected? Does the quality of their milk decrease the day their diet changes or is there a carry over of good stuff for a while (wishful thinking)? I’m not in the agriculture industry, so I thought I would just see if anyone else had any input or resources to follow up on that. Thanks

  44. says

    Hay que pedir estar con el bebé lo antes posible, incluso en el mismo quirófano o en la sala de recuperación, sobre todo si la cesárea se realiza con anestesia epidural.

    Mr. Fessler

  45. andrew says

    Hi i’m from Ireland. Im afraid you may have fallen for a bit of our blarney folks. Kerrygold do not regulate or guarantee the diet of their cows. They simply say that they are in the fields grazing most of the time, hence they do get to eat some amount of grass/pasture. However without any special regulation or guarantee they are subject only to standard EU agricultural regulations as to what and how much else they are fed. They are fed suppliment, medicated, stocked and milked at necessarily competitive commercial levels. Kerrygold’s (somewhat) grass fed butter, is considered here in Ireland to be no better specified than supermarket standard butter – it has no different guarantee or regulation. Sorry to tell you this. It would be nice if one day their marketing blurb led them to come good and raise the standards of their suppliers, but at present – they do not.

    On the other hand in the EU, Organic certification does guarantee at least 60% minimum grass fed diet, and it enforces lower maximum stocking density, restricted fertiliser application and much restricted pesticide use. Maybe the minimum Organic certified grass feed levels should be set higher than this – but they have to be competitive against products who do not even need to arrange and achieve 60% or anything special -who can simply charm a reputation with a sweet advertising angle.
    EU Organic certification is designed and enforced to protect and improve farm and food quality. I expect US Organic regulations are similar.

  46. Access says

    Interesting article. You say grain fed cows would contain less chemicals compared to grass fed. But grain comes from grass.

  47. Justin Roy Olson says

    This is wrong! I love butter and butter is a superfood just Sally Fallon Morell and the Weston A Price Foundation!

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  50. Jacquelyn says

    We eat kerrygold. And we love it with a capital L!
    We live in a toxin filled world. And I can’t imagine it without butter!
    Thanks for writing this article. Very interesting.

  51. Hysed777 says


    I started consuming a lot more butter and other fats(coconut, olive, and cod liver oil) in 2012. And after one day of doing this my energy levels skyrocketed but I noticed my breathing issues seemed to get worse gradually. With the benefits I was getting I continued to use a lot more fat. However I believe that even though I was told these fats would benefit me like this, I was doing several other things to contribute to the health I was enjoying. I can’t even say I was definitely getting worse or getting better because I woke up feeling like I was improving a few times, but these fats were obviously good in some way. Since I didn’t continue on that same dietary regimen (i.e. including lots of water, fruits, veggies, beans, etc) things started to get worse. But I believe that although there may be toxins in butter causing my problems in addition to other choices I make I think that all I really need is to somehow include garlic, herbs, a few veggies, and water, rest, and exercise and 3 meals a day with an early dinner by 5pm (and it’s interesting eating an early seemed to be a big key) and I’ll be alright because I’ve noticed these things helping me in the past I just need to incorporate them consistently. Unfortunately when you’re sick it can be hard to do the right things. All that to say we’ll have to deal with toxins no matter what probably but there are other things that will definitely combat them.



  1. […] If you are really going to pursue this diet for the next 40 years, make sure you don't suka suka just eat any fat. Best is if you know exactly where the fat comes from. Animals do store alot of chemical toxins and hormones in their fats. When you are young, you definitely feel invulnerable. Even grass-fed and organic food are not spared sia. Grassfed vs. Organic Butter, And Which One Will Kill You Faster […]

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