We are offering here the Health Supplement D-Biotin - L-Cysteine - Zinc Sulphate Nicotinamide And Selenium Tablets that are made for use in the various medical applications. Selenium is an important mineral found in high concentrations in the thyroid gland. Zinc plays roles in immune function, protein synthesis, cell division and wound healing. The Health Supplement D-Biotin - L-Cysteine - Zinc Sulphate Nicotinamide And Selenium Tablets are very safe and made for use in the various medical applications. They are easy to consume.