Nutritional Vitamin A & D3 contains the essentials Vitamin A and vitamin D3. Vitamin A is essential for the maintenance of healthy epithelial tissue, which is found in the eyes, skin, respiratory system, gastro intestinal and urinary tracts. Vitamin D promotes calcium absorption and calcium transport to bones. This formulation helps maintain strong bones and teeth and contributes to the maintenance of eye health. , Directions: As a dietary supplement for adults, take one (1) softgel daily, preferably at mealtime, or as directed by your healthcare practitioner.