I've tried
NO Xplode, Superpump250, Nano vapor, No Trac,
Nitrix, Pump Tech, Plasma Jet, and many more but out of all of them my favorites are
NO Shotgun, Plasma jet, and Superpump250. But i have to agree with all the basics BCAA's. whey, creatine, vitmaines, and big eats the gains should come.