A “D” on your report card isn’t favorable, yet a good “D” level on your lab report is important. Wondering why? Vitamin D has been featured in many an article on health, but science has revealed more detail that I would like to share with you.
Let me start by clarifying that Vitamin D is actually a steroid hormone. We call it a “vitamin” because it is not made in the body and must be provided from external sources. Most vitamins are taken in via food, but Vitamin D is created in conjunction with precursors of cholesterol in the skin with proper sun exposure. Given our reduced outdoor activity in winter and use of sunscreen, we are often deficient. Read more