I've been in this LOOONG time and know many who have been in the game a lot lnger and here's the deal. First, a doctor could prescribe anything you wanted, Deca, Winstrol, etc. All legal until the Anabolic Control Act of 1990 which scheduled steroids as a CONTROLLED substance. So, that's when the black market of gear flying out of the backdoor of pharmacies ended and people started going to Mexico. This was the early to omid 90's and there was NO vet gear market like QV or any of that. There were knock offs, but they were real and good. My favorite's were the Searle Anavar knockoff and those famous little bottles of Dbol with "Ludwig Heun" typed on the front.
Problem is, too many scammers go in the game and had great packaging but the gear was total bunk. The pharmacies down there didn't care...they just kept selling cooking oil and aspiring in a bottle until bodybuilders figured it out. Finally, we had Vet Gear(QV, Syd Group/Loeffler, TTokkyo, etc.) That was for the most part real and relatively clean Hooray! Now with the bust of those companies, Mexico has to regroup and start over again. They will. But in my opinion Mexico is total bunk right now. All you can get are legit Mexican Steroids which are Sustanon preloads, 50mg Primo amps(ugh), and 100mg Deca amps for at least $10-15 dollars per vial. Maybe a little other fake stuff sprinkled in but not worth it. Especially with the rampant drug users everyone trying to hustle you and the corrupt police looking to shake you down. It Will get good again, it always does but Mexico isn't where it's at right now.(Sorry for the length of this).