Next Generation Doctor-Formulated Vitamin D3 Complex Dr. Cannell"s Advanced D Provides: Advanced Bone and Muscle Support Natural Immune Support Heart and Cardiovascular Support Healthy Energy and Endurance Support The Vitamin D3 Revolution Vitamin D"s influence on key biological functions vital to one"s health and well-being mandates that vitamin D3 supplementation can no longer be ignored by individuals striving to achieve and maintain a greater state of health. Formulated by John Cannell MD, Purityaas new Vitamin D3 Complex is a synergistic blend of Vitamin D3 with several targeted nutrients which complement many of the Vitmain D3aas desirable health benefits. Bones and Muscles Without adequate Vitamin D intake, the body cannot properly metabolize Calcium. Vitamin D strengthens bones and also may enhance muscle strength because of its direct effect on calcium transport in muscles. Because of its unique interplay with calcium, vitamin D can support the health of both of these important structures. Powerful Immune Support Vitamin D plays an important role in the function of our immune system. Vitamin D receptors are present on almost all immune cells and vitamin D has immune-modulating properties that can support long-term health and wellness by enhancing innate immunity. Heart and Cardiovascular Support Recent research is pointing to the increasing role of vitamin D in maintaining healthy cardiovascular and heart function. Studies have found an association between optimum blood levels of vitamin D and healthy cardiovascular function.