What are peptides?

Peptides are short-chain amino acids that are found naturally in the human body. Amino acids are the building blocks of protein and these amino acids are specifically designed to regulate certain functions within the human body.

Peptides are used as a mode of therapy that are used to take existing sequences and rewrite to potentially regulate and rejuvenate functions. In simpler terms, they bind to and tell other cells what to do, mimicking or replacing the functions of the naturally occurring peptide. Peptides may have the ability to rewrite body chemistry to promote homeostasis, restoration and anabolism.


GHRP-2 is a synthetic hexapeptide Growth Hormone Releasing Peptide (GHRP), which acts on the hypothalamus and the pituitary gland to release growth hormone with a slight stimulator effect on Prolactin, ACTH and Cortisol levels [R].

GHRP-2 is considered to be a true hGH secretagogue, meaning it has the ability to stimulate the body’s own secretion of HGH.

Potential to Protect and Enhance Muscle Structure

Recent studies investigating the effects of GHRP-2 on Yaks have determined that GHRP-2 has the ability for potential muscular growth in 2 ways: increased protein deposition and decreased protein degradation. This research showed that GHRP-2 has the ability to overcome natural growth plateaus that occurs in Yaks due to food deprivation, disease and adverse environmental conditions [R].

The most profound result from this study indicated that GHRP-2 can reduce muscle atrophy by inactivating atrogin-1 an MuRF1, both proteins that control and regulated the muscle degradation pathway [R].

GHRP-2 activates growth hormone and insulin-like growth factor, to help boost muscle protein deposition. This combined effect of reducing degradation and enhancing deposition is that GHRP-2 may encourage the development of lean body mass in adverse conditions [R].

GHRP-2 may Improve the Immune System

GHRP-2 has shown the ability to stimulate the thymus, an organ responsible for protecting certain cells in the immune system. In particular, the thymus helps T-cells to reach maturity which is critical for adaptive immunity and the ability to fight off certain diseases. The function and abilities of the thymus declines with age, which can lead to a number of age-related dysfunctions ranging from inadequate tissue repair to decreased immunity. GHRP-2 has been shown to rejuvenate the thymus, boosting the number and diversity of T-cells produced. This might lead to improved immunity [R].

GHRP-2 Research Peptide

  • CAS Number is stated as 158861-67-7
  • Molar Mass is 9 g·mol−1
  • It has a Chemical Formula as C42H50N8O5
  • IUPAC Name: (2S)-6-amino-2-[[(2R)-2-[[(2S)-2-[[(2S)-2-[[(2R)-2-[[(2R)-2-aminopropanoyl]amino]-3-naphthalen-2-ylpropanoyl]amino]propanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-3-phenylpropanoyl]amino]hexanamide
  • Also known by Synonyms as Pralmorelin

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