Vitamin D3 50000IU - Muscle Health, Strong Bones and Nervous System Health, Support Immune Function: Bone Health Ingredients: Vitamin D3 Directions: Take two (2) capsules once daily Shipping: Ships within 48 hours on weekdays Shelf Life: 2 years Our Vitamin D3 supplement aids in the management and absorption of calcium, which is also essential for bones and teeth. One of the important functions of Vitamin D3 includes supporting the immune system. It stimulates the production of T cells, helping to build your natural body defenses. Vitamin D is considered an essential nutrient for maintaining healthy bones, teeth, muscle function, and the immune system. You can keep it healthy by taking Coolkin Vitamin D3 supplements. 1250 mcg Vitamin D3 (50,000 IU), provides natural sunshine vitamin synergy to minimize sun exposure and restore depleted Vitamin D levels in adults.