Spring Valley Extra Strength Biotin Hair, Skin & Nails Dietary Supplement, 5,000 mcg are dietary supplements that promote collagen support. Each serving provides 5000 micrograms of biotin, as well as 14 key vitamins and minerals, in addition to argan oil, coconut oil, and collagen. The suggested adult dosage is three softgels daily, preferably with a meal. You can rest assured that Spring Valley Extra Strength Biotin Hair, Skin & Nails Dietary Supplement, 5,000 mcg are produced with strict quality guidelines and are backed by our quality guarantee. Spring Valley understands living a healthy, balanced lifestyle is the key to being your best self. With an affordable range of products inspired by nature, Spring Valley supports your and your family's health and holistic wellbeing. Dietary supplement for collagen support 5000mcg biotin per serving With argan oil, coconut oil, and collagen Tamper-evident bottle Contains 120 softgels x 2