The most commonly used supplements, multivitamins, vitamin D, calcium and vitamin C, provided “no consistent benefit” for the prevention of cardiovascular disease or stroke, but niacin (vitamin B3) and antioxidants (vitamins A, C and E) were associated with an increased risk of all causes of death.

Vitamins B3, A, C and E associated with higher risk of all causes of death in international study

About Robert Zinn

Robert Zinn, M.D., Ph.D. is a medical doctor, physician, and web entrepreneur, who, for over 15 years was employed by academic and research institutions and focused his clinical practices on very specialized patient populations, such as those with rare genetic diseases or rare cancers. He shares his knowledge through his website,

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