Drugs or no drugs, you will not look like him anyway, that's the first thing. Those arm muscle bellies are genetic and no amount of drugs will give you that, I certainly know that, my buddy has genetically three times the fibers compared to me. I measured his arms at 22 when he was still a teen or just beyond that, he was fat then but the bellies were ungodly even then. See pics from 20 years later. Bigger than Mentzer (200lbs in contest shape, he had true 20s)
Society, and the workout community, is thoroughly drug infested, so you'd have to qualify "natty" before even asking that question.
