Treatment & Toxicity -- Benefits and dangers of supplementing with Vitamin D. Dr Reinhold Vieth

1:21:12
Lifestyle and Aging:Is Vitamin D the Fountain of Youth? : Full Presentation

55:54
Vitamin D “Toxicity,” with Dr. Reinhold Vieth

42:45
Clinical experiences with Vitamin D in a UK hospital Dr David Grimes

53:40
How Sensible Sun Exposure Benefits Your Health - Interview with Dr. Michael Holick

57:10
Vitamin D: A D-lightful story for good health. Dr Michael F. Holick

16:29
Interview with vitamin D expert Dr. Bruce Hollis

54:11
Sunlight and Your Health: An EnLIGHTening Perspective

35:27