Vitamin D's role in immune health has long been established; vitamin D receptors are found on a number of immune cells, including lymphocytes and macrophages, supporting healthy immune cell activation.
Vitamin D supports cardiovascular function in some individuals, which may be attributed to its effect on calcium metabolism or possibly by helping to maintain healthy plasma renin function. Vitamin D3 enhances calcium absorption and retention, a key nutritional role in supporting healthy bones; new evidence suggests it may also have a prominent role in cellular, cardiovascular, colon and immune health Pure Encapsulations Vitamin D3 1000 IU - 120 Capsules Vitamin D promotes intestinal calcium and phosphorus absorption and reduces urinary calcium loss, essential mechanisms for maintaining proper calcium levels in the body and for healthy bone composition. Furthermore, vitamin D is believed to provide general cellular support potential, including for the breast and prostate, in part by helping to maintain healthy angiogenesis balance, supporting immune cell activity, and maintaining healthy cell metabolism.