itamin D is produced naturally in your body, the body absorbs UVB and uses it to convert cholesterol (7-dehydrocholesterol) into D3.This is then sent to liver where it becomes a useable form form of Vitamin D.The Programming in this will work with that process to help you produce it. (by drawing in UVB and inducing the cholesterol conversion).Use 2 - 3 times for best results, supplement as you need. Check out our Instagram