I did try there creatine before too sadly to say it was by far worst creatine i ever used made the mistake of takin the whole bottle it screwed up my stomach really bad bloated me. I dont use creatine anymore. The last bein kre Alkylyn by far the best creatine i ever used, and in my opinion better much better than muscle techs creakik. I mean what the hell is ros anyways sounds like science fiction. Anyway after my experiments with creatine. I'm left with the conclusion if ur eatin right and trainin hard you dont really need it.