Nature Made Vitamin D3 25 mcg., 650 SoftgelsVitamin D supports bone, teeth, muscle and immune health. One daily softgel provides 1000IU (25 mcg) of Vitamin D3, the bodys preferred form to help maintain Vitamin D levels. Features: Supports Immune Health Supports Bone and Teeth Health Aids in Calcium Absorption Supports Muscle Health Suggested Use: Adults, take 1 softgel daily with water and a meal.