Thread: How much zinc?
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Old 04-27-2010, 06:08 AM   #23
Garrett Smith
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It may seem like the loss from ejaculation is minor, however, absorption rates of zinc are quite poor. IIRC, an absorption rate of 5-10% from a supplement would be excellent (most are below this rate, if any reach it at all).

I had not seen the sweat number, but that could easily explain why nearly all athletic people I see are deficient in zinc at loss rates like that.
Garrett Smith NMD CSCS BS, aka "Dr. G" - Blood, Saliva, and Stool Testing
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