HGH vs steroids

HGH is not a steroid, it is a hormone. Steroids are a special class of hormones which include testosterone and androsterone, derivitives of which you guys likely mean when you refer to steroids. Steroids are are 4-membered rings with various side chains, while HGH, on the other hand, is a gene-based protein. (Testosterone steroid on the left, HGH protein on the right)