Vitamin D3 By Core ChampCORE CHAMPS Vitamin D 3 softgels supply this key vitamin in a highly absorbable liquid softgel form. Vitamin D 3 is known for its ability to help build strong bones, support immunity, promote heart health, and more. Without Vitamin D 3, you may be missing out on the benefits of the calcium in your diet. It Supports Healthy Bones, Teeth and Immunity. It is an essential vitamin for many metabolic processes. It helps to regulate the absorption of calcium