Butter Is Major Source of Heart-Healthy Nutrients
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
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 (2, 3).
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(6, 7).
Studies Show That People Who Eat
Grass-Fed Butter Have a Lower Risk of Heart Disease
In countries where
cows are largely grass-fed, the people who eat the most butter seem to have
a drastically reduced risk of heart disease.The relationship between full-fat
dairy consumption and heart disease seems to depend on the
country in which the study is performed.
An impressive study
on this was published in the American Journal of Clinical Nutrition, in the
year 2010:
This study looked at
the levels of CLA in the fat tissue of 1813 non-fatal heart attack patients,
and compared them to 1813 similar subjects who had not gotten heart attacks.
Levels of this fatty
acid are a very reliable marker for the intake of fatty dairy products, and
this study was done in Costa Rica, where cows are grass-fed.
They split the
subjects into 5 groups, from lowest to highest, depending on their levels of
CLA. The results were fairly remarkable:
In fact, the people
who ate the most were 49% less likely to experience a heart attack,
compared to those who ate the least.
However, keep in mind
that this was a case-control study, a type of observational study. These types
of studies can not prove causation.
This study shows that
people who eat more grass-fed dairy fat have a lower risk of heart disease, but
it can not prove that dairy fat caused the reduction in risk.
But, at the very
least, this study is pretty good reassurance that butter is NOT the devil it
was made out to be.
Many Other Studies Have Shown Similar
Results
This is far from
being the only study.
Another study from
Australia showed that people who ate the most full-fat dairy had a 69% lower
risk of heart disease than people who ate the least (8).
Several other studies
in European countries, where cows are generally grass-fed, have shown that
dairy fat is linked to reduced heart attacks and strokes (9, 10).
Grass-Fed Butter is Super Healthy
Despite having been
demonized in the past, real grass-fed butter is one of the
healthiest fats on the planet. Period.