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The USADA should ban vitamin D – July 2017

Should USADA ban vitamin D and zinc? Martial Arts website

USADA = US Anti-Doping Agency
Vitamin D and Zinc give too much performance enhancement
No detail, just a discussion forum

“Both of these have been shown scientifically to promote elevated testosterone levels. So do you think USADA should check for abnormally high vitamin D and Zinc levels? It's possible those testing positive for high T are really just taking a lot of Vitamin D and Zinc.”

Search Google for usada "vitamin d" 48,000 items as of July 2017

One athlete was taking 83X the minimum recommended dose
83 X 600 = 50,000 IU
50,000 IU daily is OK for a few weeks without cofactor adjustment
50,000 IU daily is OK for many months if adjust cofactors

See also VitaminDWiki

The USADA should ban vitamin D – July 2017

8696 visitors, last modified 16 Jan, 2018,

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- Lack of Vitamin D Can Sideline College Football Players – Jan 2018

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