I remember all the talk about Myostatins back in the late 80's, early 90's. A few companies came out with some stuff before the FDA took them off the market. I was lucky enough to try some stuff, was never sure if it was the real deal of not, but my thighs grew fucking massive. Unfortunately, that was the only body part that was affected by what I took. Even today my thighs get a massive pump on leg day. Again, not sure if what I took was real but it definitely wasn't psychological.