Popular Vitamin Supplements Have No Health Benefits

The most popular vitamin and mineral supplements that people take don’t provide any health benefits, according to a study led by researchers from the University of Toronto and St. Michael’s Hospital that was published in the Journal of the American College of Cardiology. This study was funded by the Canada Research Chair Endorsement, Loblaw Cos. Ltd., and the Canadian Institutes for Health Research (CIHR).


The researchers examined multivitamins, vitamin D, calcium and vitamin C supplements and found that they do not give any health advantages in the prevention of some common disease such cardiovascular disease. Also, niacin and antioxidants showed a very small effect that might indicate an increased risk of death from any cause.

The study’s lead author, Dr. David Jenkins said: “We were surprised to find so few positive effects of the most common supplements that people consume. Our review found that if you want to use multivitamins, vitamin D, calcium or vitamin C, it does no harm – but there is no apparent advantage either.”

Dr. Jenkins reviewed supplement data that included vitamin A, B1, B2, B3 , B6, B9 (folic acid), C, D and E. The minerals that were examined were beta-carotene, calcium, iron, zinc, selenium and magnesium.

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