This Vitamin Affects Your Skin, Immune System, and Eye Health

PHOTO: MARYNA TERLETSKA/GETTY IMAGES It can be hard to keep track of all the good-for-you vitamins and minerals out there and their benefits, especially if you're not a healthcare professional or nutritionist. I know I sometimes need a refresher—and I'm a wellness editor! But yes, you might know what vitamin C and vitamin D and zinc do, but maybe you're not [...]