New Warning About Popular Vitamin C Products

An important consumer alert has been issued about several widely used vitamin C supplements—and many Americans have no idea they're affected. Vitamin C is one of the most commonly purchased nutrients in the U.S., especially among adults focused on immune support and healthy aging. But not all products are created equal.

Before you restock your supplements, it's worth knowing which vitamin C products experts now recommend avoiding, and which types are considered safer and better absorbed. Click here to see the vitamin C products raising concerns—and the options health researchers say are worth your trust.