Hundreds of Supplements Have Been Found to Contain Hidden Drugs, Like Viagra and Steroids

More than half of U.S. adults take dietary supplements, a category of products that include over-the-counter vitamins, minerals, botanicals, amino acids, and enzymes. But the supplement industry is only loosely regulated by the Food and Drug Administration (FDA), and a new study is shedding light on just how many of these products contain unapproved and potentially dangerous prescription-strength drugs.

View More Hundreds of Supplements Have Been Found to Contain Hidden Drugs, Like Viagra and Steroids