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Old 12-19-2010, 03:58 AM   #17
Garrett Smith
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Location: Tucson, AZ
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I haven't heard of that. That said, it would be a safer bet to go to the precursor of 5-HTP, which is tryptophan (naturally occurring amino acid in food) and let the body do the converting as it deems necessary.

I was under the impression that all PS these days is soy-derived, since they aren't sourcing it from cow brains anymore...
Garrett Smith NMD CSCS BS, aka "Dr. G" - Blood, Saliva, and Stool Testing
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