Our work is made possible by membership fees, donations from individuals, and from the support of our generous sponsors below. About 80% of our revenue comes from memberships and donations, while 20% comes from our sponsors.
Please look through our sponsors, learn more about them and what they do. We appreciate their support!
Bio-Tech Pharmacal is a leading supplement manufacturer in the United States. Along with their support of the Vitamin D Council, Bio-Tech Pharmacal has worked with over 40 universities worldwide to supply vitamin D and other supplements for their clinical trials. Focusing on manufacturing high quality and accurate supplements with minimal fillers, they are true vitamin D specialists.
Sperti is an American company that manufactures specialty UV sunlamps. They make a vitamin D lamp that has been tested and approved by the FDA to make vitamin D, the only lamp to have such approval.