For the average person on the street, seeing a huge bodybuilder is something that really catches their attention. But once you’ve been in the game long enough and you’ve seen bodybuilders on a daily basis, you become de-sensitized by size – that is until someone posts a photo-shopped version of a human with immense and over dramatic size and the question which then starts to run around your mind is why. Why can’t the human muscular system get that big? What’s stopping humans from growing to sizes that are uncomprehending? The answer might just lie in the Myostatin Factor.