Supplements offer no apparent benefits for already healthy people.
Credit: Sarah Schmalbruch/Insider

Despite the sheer number of vitamins and health supplements on the market today, little proof exists that these pills and powders have health benefits for the general population. Some research even suggests supplements can actually harm your health.

A new study offers even more evidence that vitamin supplements aren’t helpful — and could even create risks for otherwise healthy people. According to the study, published in Annals of Internal Medicine, dietary supplements don’t help people live longer or offer any other notable health benefits.

Researchers looked at a variety of supplements, including vitamin A, vitamin K, and zinc, and found that they offered no health benefits, but also no health risks.

Vitamin D was a different story. Researchers found that people in the study who took 10 micrograms of vitamin D supplements daily— but had no pre-existing vitamin D deficiencies — increased their overall risk for cancer and death.

“The potential harm of vitamin D supplement use among individuals without […]

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