Science: Grass-Fed Butter Eaters Have Fewer Heart Attacks


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Categories: Health & Nutrition

Butter is one of the healthiest fats on the planet.

It’s not just a big pile of yellow-colored fat, there are many important nutrients in there, some of which have potent biological effects.

However, this does depend on the type of butter, and the amounts of these nutrients vary greatly depending on what the cows ate.

Butter From Grass-Fed Cows is a Major Source of Heart-Healthy Nutrients

Butter is basically just milk fat, also known as butterfat.

Butterfat is highly complex. It contains about 400 different fatty acids, and a decent amount of fat-soluble vitamins (1).

Fatty acids are actually more than just energy sources, some of them have potent biological activity.

As it turns out, many of the fatty acids in butter can affect our physiology and biochemistry in some way, leading to major health benefits.

This includes the fatty acid CLA (conjugated linoleic acid). It is popular as a fat loss supplement, and studies show that it can have powerful effects on health (23).

Grass-fed butter contains 5 times more CLA than butter from grain-fed cows (4).

Butter from grass-fed cows is also much higher in Omega-3 fatty acidsand vitamin K2, compared to butter from grain-fed cows (5).

As you can see, butter from grass-fed cows is a much healthier and more nutritious choice.

Butter Contains Saturated Fat, But Who Cares?

Butter used to be considered unhealthy, because it contains saturated fat.

However, this is actually not a valid argument against butter, because the saturated fat myth has been thoroughly debunked in recent years.

Two massive review studies were published recently, one in 2010 and the other in 2014. Both included hundreds of thousands of people.

These studies clearly showed that there is no association between saturated fat consumption and heart disease (67).

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