Food supplement with Vitamin D3 (2000 IU), along with vitamin K2 (MK-7) and Magnesium. Vitamin D3 and magnesium support the maintenance of normal muscle function and, together with vitamin K, are important for the maintenance of normal bones. How to use Adults: take one tablet a day, without chewing, with water during a meal. ≥ 13 years: 1 capsule every other day ≥ 7 years: 1 capsule every 3 days