Vital Nutrients Vitamin D3 2,000 IU - 90 Capsules | Vital Nutrients Vitamin D3 2000IU provides the active form of vitamin D3 (cholecalciferol) for optimal bone and immune function support.• Contributes to support bone health• Supports calcium metabolism• Can benefit the immune system• Active form of vitamin DVitamin D occurs naturally in very few foods, and although it can be produced in the body, obtaining adequate skin absorption from sun exposure be difficult in the winter months depending on your skintype and -tone. Vital Nutrients offers supplemental Vitamin D in the active form D3 (also known as cholecalciferol). One of the main roles of vitamin D is to help maintain strong bones and teeth by contributing to transport calcium into bones. Vitamin D also contributes to the normal function of the immune system and normal blood calcium levels.More information about this productUnfortunately, due to legislation concerning supplements, we are not allowed to provide (complete) information about this product. For more information we refer you to a library of medicine