Andrew Lessman's Healthy Hair, Skin & Nails™ with 5,000 mcg Biotin is a unique combination of nutrients including ultra-high levels of Biotin specifically designed to support and maintain the growth of healthy hair, skin and nails. <br><br>The constant growth of our hair, skin and nails demands high levels of Biotin – far higher than those found in any diet or typical multivitamin. We provide 5,000 mcg of our high bioavailability form of this remarkable beauty nutrient. We also provide high levels of MSM (methylsulfonylmethane), an exceptional source of Sulfur – critical to the structure of our hair, skin and nails. <br><br>The result is a comprehensive formula specifically designed to meet the diverse nutritional requirements of the most beautiful and healthy hair, skin and nails.