Dr. Cannell's Advanced D from Purity Products - Vitamin D3 Super Formula - Packed with Vitamin D, Vitamin K2, Zinc, Magnesium Citrate, Boron and Taurine - 60 Vegetarian Capsules, DOCTOR FORMULATED: Advanced D was designed by Dr. John Cannell, physician and Executive Director of the Vitamin D Council, to give your body maximum Vitamin D benefits by teaming this essential nutrient with key support co-factors.*, THE ACTIVE FORM OF VITAMIN D: A serving of Advanced D provides 5,000 IU (125 mcg) of Vitamin D3 ? cholecalciferol ? the same form made by your body when exposed to sunlight. Research shows that this form is effective at raising blood levels of Vitamin D.*, THE DYNAMIC BENEFITS OF ADVANCED D: Vitamin D is known for bone health, but by combining it with the co-factors in Advanced D, Dr. Cannell has created a formula for immune system function & response, heart health, bone & muscle health, and more.*, GO BEYOND ORDINARY VITAMIN D: Advanced D is formulated to get the most out of Vitamin D3 by adding meaningful doses of Magnesium Citrate, Zinc, Quercetin, Vitamin K2, and more to provide vital support for a variety of health systems within the body.*, JOIN THE VITAMIN D REVOLUTION: Studies show that an average of 41% of adults are Vitamin D deficient. Few foods contain Vitamin D, and many people do not get enough sun exposure to produce their own, making Advanced D the right choice for daily health.,