There is a growing body of research that states the critical importance of Vitamin D and boosting immune functions. As recently as 10 years ago, vitamin D was seen as only a cofactor in absorption of calcium. Today it is seen by many as a super nutrient. While you can get the active form of vitamin D from the sun, most do not get near enough sun exposure to make a difference. The consequence of this deficiency is high risk of many cancers and lowered immune function. Do yourself a favor, get yourself tested and see where your levels are. Be careful on supplementation. You need many different forms of vitamin D and most manufactures use only the cheapest form to keep costs low. Get your supplements from a good source and watch your immune system fly!
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