Vitamin D is one of the oldest hormones we know of. Plants and fungi make vitamin D2 , also called Ergocalciferol. It is similar to our vitamin D and probably older but it is not what we make on our skin! We make D3, Cholecalciferol. In fact, insects, fish, birds, reptiles and mammals all make D3! Animals…
Sun exposure signals the deeper layers of the skin to make melanin. Melanin is then sent up to the surface layers of the skin to protect us, like a little black umbrella. Melanin makes us darker and blocks production of vitamin D in the skin. As the summer wears on, if we slowly get more…
We are one of the few animals on earth without feathers, scales or fur. It turns out to be a bit risky not to have a covering on the skin, but there may be some advantages to being hairless. Though we don’t have fur to block the sun we are able to make a portable,…
Each person has their own personal dose of vitamin D that must be learned by testing the D blood level. An example: A mother is dosing three of her kids with 2,000 IU/day for one month in the winter, Nathan goes from 20 ng/ml to 50 ng/ml, Samantha goes from 18ng/ml to 25ng/ml and Alex…