Looking massive. How the hell does a middle-aged natural with low testosterone have that much mass still? Haha. Do you think you have retained a lot of the muscle from the cycles you ran years ago, or were you always just a big build?
Anabolic steroids produce a permanent increase in users' capacity for muscle development. In keeping with this, studies show that mice given testosterone acquire new myonuclei that persist long after the steroid use ends."
I read it has something to do with satellite cells and enlarged muscle fibers.
Also improved vascular system (angiogenesis), those mighty cephalic veins are there to stay