The GNC Women's Hair, Skin & Nails Formula is a premium dietary supplement designed to provide advanced nutritional support for women. It includes a blend of essential vitamins and minerals that are often missing from daily diets. This formula contains 200 IU of vitamin D-3 to support joint health and the immune system, as well as a complex of B vitamins for energy production and metabolic activity. Each daily dose also provides 400 mcg of folic acid, which is essential for DNA formation. The product is designed to support the health and vitality of hair, skin, and nails.