The vitamin D receptor is present in nearly all human cells, demonstrating the important role of vitamin D in supporting good health. While it is best recognized for its ability to promote peak bone mass and maintain bone health in the elderly, vitamin D also contributes to healthy immune systems. In fact, Vitamin D has been found to support the function of both the innate and adaptive immune system.
Despite its importance to many physiological functions, many Canadians have inadequate levels of vitamin D, This may result from insufficient sun exposure, wearing covering clothes, limited consumption of vitamin D-containing foods, dark skin colour, older age, and low intake of vitamin D supplements.