Solgar Vitamin D3 1000 IU helps maintain healthy bones and teeth, supports immune system, and is free from gluten, wheat, and dairy. Features Supports healthy bones and teeth Promotes calcium absorption Supports a healthy immune system Non-GMO, gluten, wheat, and dairy-free Contains Vitamin D3 (Cholecalciferol) Microcrystalline Cellulose, Vegetable Cellulose, Vegetable Stearic Acid, Silica, Vegetable Magnesium Stearate, Vegetable Glycerin, Riboflavin (for color).Solgar: Committed to quality nutritional supplements since 1947.Take one tablet one to two times daily, preferably with a meal.If pregnant, nursing, taking any medications or have any medical condition, consult your healthcare practitioner before taking any dietary supplement. Discontinue use and consult your healthcare practitioner if any adverse reactions occur. Keep out of reach of children. Store at room temperature. Do not use if outer bottle seal is missing or damaged.