Nitro Strength : I am here to defend muscle building that way. This is beating a dead horse. Granted, this is my feeling. I have purchased muscle building myself. Anyhow, muscle building isn't completely indispensable.Improbably, "Even a blind squirrel finds an acorn sometimes." My competitors couldn't do anything wrong. There's no sign of a muscle building market downturn. There you have it, that's precisely what this phrase means to the muscle building community. This is the time to cash in on muscle building.