NOW Vitamin D3 4000IU softgels are designed to promote bone health, support immune function, and aid in muscle health. Each softgel provides 4,000 IU of vitamin D3 as cholecalciferol. Non-GMO and gluten-free. Features High Potency Vitamin D-3 4,000 IU Supports Healthy Teeth Supports Immune System Helps Maintain Strong Bones Gluten-Free 120 Softgels Vitamin D3 (as Cholecalciferol), Extra Virgin Olive Oil, Softgel Capsule (bovine gelatin, water, glycerin).NOW Foods is renowned for high-quality dietary supplements, supporting health and wellness since 1968.Take 1 softgel daily with a meal.Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children.