What are u talking about!! Nitric Oxide boosters the best supplements!?!?!? Yeah right. NO2 sucks. ITs a waiste of $$. I've tried it, so i know 1st hand. KNow many others who think nothing of it. Stick w/whats tried and true. Protein, creatine. CEE is good 2, i just can't go along w/the no2 crap.