The one issue in the US, which is were I am now, is that the claim that companies hitch their wagon too is 3rd party testing. The phalacy is that the testing company is only testing for what the manufacter is asking to be tested. Usually this is a steroid type ingredient which the product will be clean of. That does not guarantee the
purity or the quality of what is actually in there. The John Scotts Nitro company, which is now available in Canada follows WADA (World Anit-Doping Association) which is also guidelines and agency that CIS (Canadian Interuniversity Sport) uses.
www.jsnitro.com . Its worth a look.