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Old 01-21-2011, 04:02 AM   #3
Darryl Shaw
Senior Member
Join Date: Apr 2008
Posts: 681

Originally Posted by Garrett Smith View Post
Of all the nonsteroidal, nonstimulant ergogenic aids, creatine is the most widely used and marketed.78 Its prevalence ranges from sixth-grade students to professional athletes, and it is used without proper monitoring or proven efficacy.
That part simply makes me wonder what "proven" means to the Mayo does it have to be a prescription item under a doctor's care?
I presume they mean that it's efficacy is not proven because there are responders and non-responders and at present there is little evidence to suggest that creatine supplementation gives athletes a significant competitive advantage over athletes that obtain their creatine from dietary sources i.e. meat.
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