Current Health Hunters Newsletter:

We still call it vitamin D and yet, nearly every knowledgeable speaker on the topic begins by noting it is a hormone. Actually, D3 is a prohormone, which is inert until it undergoes a two-step activation process tightly regulated by the body. That is why D3 has such a wide margin of safety. The major function of the D3 hormone is gene regulation. Recently discovered functions of D3 regulation uncover the relationship between low D levels and the observed incidence of many disorders, like multiple sclerosis, diabetes, lupus, rheumatoid arthritis and Crohn’s disease.