Vitamin D3 from THE PROTEIN WORKS™ is a premium grade, fat-soluble vitamin D tablet considered by scientists to be essential for boosting the immune system, enhancing recovery and ultimately helping the body cope with physical stress during training. It has also been found to help the maintenance of bones, teeth and joints. As well as maintenance THE PROTEIN WORKS ™ Vitamin D3 tablets help to reduce the chances of injury, after being found to decrease inflammation in body tissue. Click on the Product to see full information for your absolute peace of mind.