Vitamin D, also known as the “sunshine vitamin” is an essential vitamin that plays many important roles in the proper functioning of the body. Though classified as a vitamin, vitamin D is actually a key regulatory hormone for calcium and bone metabolism.†Adequate vitamin D status is essential for ensuring normal calcium absorption and maintenance of healthy plasma calcium levels.†Besides bone support, vitamin D has many other roles in the body, including modulation of cell growth, neuromuscular and immune function.â€
Numerous scientists now feel that supplementation with vitamin D at levels greater than previously thought necessary is critical to helping maintain healthy bone remodeling and healthy vitamin D plasma levels.