Dietary Supplement. Promotes Healthy Hair & Strong Nails*. Fast Dissolve. Cherry Artificial Flavor. Energy Support. 100% Vegetarian Natrol® Biotin 1000mcg Fast Dissolve promotes healthy hair and nails, as well as energy production, with this delicious, cherry flavored tablet. This delicious, cherry flavored tablet. This high potency formula delivers unique, rapid dissolve technology to help promote fast absorption. By supporting the matrix of hair and nails, Biotin promotes shiny, lustrous hair and nails, Biotin promotes shiny, lustrous hair and strong, resilient nails. Biotin assists in energy produ.