Treatment & Toxicity -- Benefits and dangers of supplementing with Vitamin D. Dr Reinhold Vieth
57:10
Vitamin D: A D-lightful story for good health. Dr Michael F. Holick
42:45
Clinical experiences with Vitamin D in a UK hospital Dr David Grimes
1:21:12
Lifestyle and Aging:Is Vitamin D the Fountain of Youth? : Full Presentation
35:27
Higher Vitamin D levels reduce the risk of 19 types of cancer - Dr William Grant
47:12
Results of a Prostate Cancer/Vitamin D Trial: Effectiveness Safety Recommendations
40:22
Vitamins D and K2
49:36
Vitamin D, Sunshine, Optimal Health: Putting it all Together
1:24:46