NATURE'S BOUNTY hair, skin & nails gummies are advanced. This dietary supplement provides more than two times the biotin, delivering 6,000 mcg per serving. These strawberry-flavored gummies also contain vitamin A and antioxidant vitamins C and E, plus they are non-GMO. NATURE'S BOUNTY Optimal Solutions aims to nourish hair, skin, and nails from the inside out with 80 gummies per bottle.