Natrol Biotin 10,000 mcg 100 Tablets

What the brand says

Size:100 tabsPromotes Healthy Hair and Strong Nails Supports Cellular Energy Production Biotin is an important B-vitamin that provides dietary support for healthy hair and nails as well as energy production. By supporting the matrix of hair and nails, Biotin promotes shiny, lustrous hair and strong, resilient nails.