New Vitamin D paper
15:17
Vitamin D doses
48:08
Shroud studies
24:35
Unraveling the Synergy_ How Growth Factors Cooperate to Promote Tumorigenesis
21:53
Update from John
20:43
Neuroscientist Reveals How to Repair Gut Health without Probiotics - Dr. Sherr
26:14
#1 PELIGRO de la vitamina D ¡Es absolutamente necesario que lo sepas!
1:07:22
How much Vitamin D should I take?
1:37:34