Sermorelin peptide bodybuilding overview Sermorelin is a peptide used in bodybuilding that stimulates the production and release of human growth hormone (HGH) from the pituitary gland. It is a synthetic version of the growth hormone-releasing hormone (GHRH), a naturally occurring hormone in the body. Sermorelin peptide Application Here are applications of sermorelin in the context of bodybuilding: 1.Increased HGH production: Sermorelin works …