Scientists find no consistent health benefit from popular vitamin, mineral pills

So are doctors prescribing them just for the sake of it?

A new study has found that most commonly consumed vitamin and mineral supplements provide no consistent health benefit or harm.

The study by scientists in Canada found that multivitamins, vitamin D, calcium and vitamin C – the most common supplements – showed no advantage or added risk in the prevention of cardiovascular disease, heart attack, stroke or premature death.

Generally, vitamin and mineral supplements are taken to add to nutrients that are found in food.

Scientists involved with the study say they were surprised to find so few positive effects of the most common supplements that people consume. They found no apparent advantage of taking multivitamins, vitamin D, calcium or vitamin C.

The study found folic acid alone and B-vitamins with folic acid may reduce cardiovascular disease and stroke. Meanwhile, niacin and antioxidants showed a very small effect that might signify an increased risk of death from any cause.

His team reviewed supplement data that included vitamins A, B1, B2, B3, B6, B9 (folic acid), C, D and E; beta-carotene; calcium; iron; zinc; magnesium; and selenium.

The term ‘multivitamin’ in this review was used to describe supplements that include most vitamins and minerals, rather than a select few.

“In the absence of significant positive data – apart from folic acid’s potential reduction in the risk of stroke and heart disease – it’s most beneficial to rely on a healthy diet to get your fill of vitamins and minerals,” said David Jenkins, lead author of the study published in the Journal of the American College of Cardiology.

“So far, no research on supplements has shown us anything better than healthy servings of less processed plant foods including vegetables, fruits and nuts,” he said.

Bo Walkden

Bo Walkden graduated from the University of Tennessee with a major in biology and a minor in Sociology. Bo grew up in Nashville but moved to Memphis for college. Bo has written for several major publications including the Knoxville News Sentinel and NPR. Bo is a community reporter and also covers stories important to all Americans. Contact Email: bo@tophealthjournal.com. Phone: 720.213.5824

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