Force Load FontHuxD3Vitamins and Supplements Capsule Vitamin DHux D3 20000IU capsules are a high dose Vitamin D supplement which are used once every 2 weeks. It contains Vitamin D3 (colecalciferol), which contributes to the maintenance of normal bones and teeth, as well as muscle function and maintaining a healthy immune system. Vitamin D plays a vital role in enabling you to absorb calcium from your food intake, and this is especially important for maintaining good bone strength.Drug Warning