Nature's Bounty Vitamin Supplement D3 Cholecalciferol 5,000 IU Strength Softgel 240 per Bottle - BottleVitamin Supplement Nature's Bounty D3 Cholecalciferol 5,000 IU Strength Softgel 240 per Bottle Vitamin D 3 forms in the skin when the skin is exposed to sunlight: If you're not getting much exposure to sunlight, you may want to consider a vitamin D supplement Vitamin D 3 is essential to bones' absorption of calcium and may boost mood and immunity Bottle contains 240 rapid release softgels, each containing 5,000 IU of vitamin D 3