Contains 5,000 IU of high-quality vitamin D3 and is NSF Certified for Sport. Although it is well known that direct sunlight is a source of vitamin D, many people, especially the elderly, do not get enough vitamin D from sunlight or their diet. Supports healthy teeth and bones. Promotes lean muscle mass and helps maintain muscle strength. Improves the absorption and retention of calcium. Supports healthy brain function. Promotes coronary health and immune function. Formulated with Vitamin D3, a more potent and better absorbed form of Vitamin D2. 1 capsule per day or as recommended by your health professional is recommended. This product is contraindicated in people with a history of hypersensitivity to any of its ingredients. If you are pregnant, consult your healthcare professional before using this product.