Vitamin D is well known for its critical role in regulating skeletal metabolism. Recently, there has been speculation regarding whether the levels of vitamin D in the body are associated with juvenile diabetes. This is largely because vitamin D receptors are present in immune cells and insulin-producing beta cells, as well as the impact of vitamin D on autoimmunity and the immune system in general. According to recent studies, children with low levels of vitamin D are at a higher risk of developing islet autoimmunity, compared to those with higher levels. Islet autoimmunity is a…