FYI, the DoD has a good website on evaluating the safety and efficacy of over the counter supplements. It takes some clicking around to find the good stuff, but there is lots of useful info on here.
Home page: http://hprc-online.org/dietary-supplements/opss
Info on creatine: http://hprc-online.org/dietary-suppleme ... upplements
Operation Supplement Safety
Re: Operation Supplement Safety
Awesome site, thanks for the link.