Excess Vitamin D: Too Much Of A Good Thing?
reprised from February 2016 Vitamin D is known as the “sunshine vitamin.” This is because 90 percent of our D requirements naturally comes from the sun. Bioavailable vitamin D3 is created in the skin through the action of the sun's UV-B rays on cholesterol (7-dehydroxycholesterol), as one of five forms. Diet offers Vitamin D2 and D3 as [...]