Vitamin C (80mg) contributes to normal collagen formation for the normal function of skin, while Vitamin D supports the maintenance of normal bones and teeth. ✔ OPTIMAL NUTRITIONAL BLEND – Formulated with essential nutrients, including zinc (10mg), magnesium (56.3mg), Vitamin D (25µg, 500% NRV), 100% NRV of Vitamin A (800µg), Vitamin B12 (2.5µg), and Vitamin C (80mg).