According to a study published in the Journal of the American College of Cardiology, certain vitamins and supplements may be a waste of money. The study reviewed data and trials from 2012 to 2017 and found that most multivitamins and supplements of vitamin C, vitamin D, and calcium do not provide additional benefits for the prevention of cardiovascular disease, heart attack or stroke. Dr. David Jenkins, the study’s lead author told Business Insider, “We were surprised to find so few positive effects of the most common supplements that people consume”.
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