NONE... the only thing Id pick up at a GNC would maybe be a hot chick at the front counter
bro .... Hcgenerate while on through pct during pct unleashed and post cycle.. fuck GNC go NTBM... I mean theres no reason not to go that route discount codes, free shipping, and most importantly your health both physical and mental will be in check. Esp with the cycle your running you need to cowboy the fuck up and get the real shit.
go to needtobuildmuscle.com you will find the products I listed. Your sex drive will be re-fucking-diculous trust me on top of that you will prevent the shut down and keep your nuts working.