CVS Health Vitamin D3 Softgels 1000IU Bone Health 120 Softgels (Pack of 2) Vitamin D is an essential nutrient that works with Calcium to help develop strong bones and teeth. This high-potency Vitamin D supplement also assists in maintaining a healthy immune system. Dietary Supplement for Supports bone & immune health. Ingredients: Vitamin D3. Other Ingredients: Soybean Oil, Gelatin (Bovine), Glycerin, Corn Oil.