Eating walnuts once was considered to be unhealthy because of its high fat content.  This misconception has changed over the past 20 years is research studies on humans have revealed sharply reduced incidence of heart these and those consume walnuts.

Unlike some nuts, walnuts have a unique composition of polyunsaturated fatty acids, including Omega-3s threes, along with nutrients like gamma-tocopherol that have demonstrated health benefits for the heart.

The New England Journal of Medicine in March 1993 published the first clinical study showing significant reductions of the toxic LDL and improvement in the lipoprotein profile, in response to eating a moderate amount of walnuts.  Subsequent studies found that walnuts improve function of the arteries in ways that are independent of cholesterol reduction.

A study published by the American Heart Association journal Circulation in April 2004 showed a 64% improvement.  Any measurement of in the below function when walnuts were given instead of other fats in the Mediterranean diet.

However, the FDA has determined that one of producers cannot legally market.  According to the agency, it made this determination, because they are not generally recognized as safe and effective for the medical conditions referenced on diamond foods websites.

According to the FDA., these walnuts were classified as “drugs” and the “unauthorized health claims” clause into become “misbranded” thus subjecting them to government “these are for injunction.”


New England Journal of Medicine