With fenugreek, vitamin H (biotin) and the mineral zinc Biotin and zinc are essential nutrients that play a vital role in the health of hair, skin, and nails. Biotin, also known as vitamin B7, supports the metabolism of fatty acids and amino acids, which is important for the growth and strengthening of hair and nails. It contributes to the maintenance of normal hair and skin. Application: The stated recommended daily intake must not be exceeded. Take 1-2 capsules daily with some liquid, without chewing. A notice: Dietary supplements are not a substitute for a balanced and varied diet and a healthy lifestyle.