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 vitamin 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 the remaining [...]