AOR's Vitamin D3 is derived from sheepskin oil collected during shearing. It is rapidly converted in the body to the active hormone 1 25-dihydroxycholecalciferol,  and helps in the development and maintenance of bones,  the absorption and use of calcium and phosphorus  and is a factor in the maintenance of good health. 

AOR's Vitamin D3 is derived from sheepskin oil collected during shearing. It is rapidly converted in the body to the active hormone 1 25-dihydroxycholecalciferol and helps in the development and maintenance of bones the absorption and use of calcium and phosphorus and is a factor in the maintenance of good health. Harness the Power of the Sun - Supports mood bone health growth and development - Reduces inflammation auto-immunity and abnormal cellular growth & differentiation - Pure D3 naturally sourced from lanolin Amount: 1 Capsule Vitamin D3 1000 IU/25 mcg Non-medicinal ingredients: microcrystalline cellulose tocopherols sunflower oil coconut oil gum Arabic corn starch sucrose tricalcium phosphate sodium ascorbate. Capsule: hypromellose. Vitamin D3 (from lichen) 1000 IU/25mcg Other ingredients: rice bran oil cornstarch glycerin purified water carrageenan sorbitol tocopherols (sunflower) coconut oil. Suggested Use: Take 1 capsule daily with food or as directed by a qualified health care practitioner.