I think most people see pro bodybuilders and they know they use HGH. Then they find out the cost and they figure hey I can afford 2ius a day. Will I see muscle gains? HGH is a tool in the toolbox. It aids in healing, recovery, sleep, fat loss, energy, and skin rejuvenation. It's creates a synergy with AAS. It will not build muscle at lower doses. I do not recommend running higher dosages either because if your muscles are growing from HGH so is your heart and others body parts you probably don't want to. Just keeping it real...