Hair Skin and Nails Vitamins | 5000Mcg Biotin | Hair Growth Vitamins | with Added Zinc, Vitamin C, E & More! ADVANCED FORMULA: A carefully developed blend of 13 premium ingredients, including 5000mcg of Biotin (10,000% NRV), Zinc, Vitamins A, C, E, D2, B6, B12, B5, Folic Acid, Iodine, Choline and Inositol.