Dietary Supplement. With 100 mg of collagen and 2500 mcg of biotin per serving. No artificial flavor, no milk, no lactose, no soy, no gluten, no wheat, no yeast, no fish. Biotin + collagen. For healthier looking hair. From the No. 1 brand for hair, skin & nails (Nature's Bounty Optimal Solutions Hair, Skin & Nails; Source: Nielsen xAOC Latest 52 weeks ending 7/27/19). At Nature's Bounty, we are committed to your health. For nearly 50 years we have been making trusted products, backed by science, and made with only the purest Ingredients - guaranteed. 100% drug free. Guaranteed quality. Laboratory tested. NaturesBounty.com. Sign up for news and offers at NaturesBounty.com. Nutrition questions or comments? Call 1-800-433-2990 Mon-Sat 9am-7pm ET. Made in the USA with select ingredients from around the world.