Fragment 176-191 peptide (Frag 176-191) is a short segment of growth hormone (hGH) and is sometimes referred to as the “lipolytic fragment.” The name was coined from initial research on animal systems, which suggested that Fragment 176-191 may potentially increase fat cell metabolism in genetically engineered obese mice. Growth hormone (hGH) supplementation is considered by scientists to generally suppress carbohydrate metabolism, alter sensitivity towards insulin, promote long bone growth, and heighten insulin-like growth factor-1 (IGF-1) levels. Extensive animal studies have suggested that this synthetic fragment may mimic the lipolytic action of hGH without other actions.[1]