Centrum Multivitamin And Mineral Tablets for Adults, For the Most Important Parts of You. Healthy Skin. Contains Vitamin A, Vitamin C and Biotin to help maintain healthy skin. Muscle Function. Contains Magnesium and Vitamin D to help support muscle health. Energy. Includes B Vitamins, such as Folic Acid, to support daily energy. Immunity. Key antioxidants such as Vitamins A, C and E, Betacarotene, Zinc and Selenium to help strengthen immunity.