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Ipamorelin

Ipamorelin or NNC 26-0161, a polypeptide hormone, is a growth hormone secretagogue and ghrelin mimetic and analog developed by Novo Nordisk. Ipamorelin belongs to the most recent generation of GHRPs from the mid 1990s and causes significant release of growth hormone by itself, due both to its suppression of somatostatin (an antagonist to GHRH) and stimulation of release of GH from the anterior pituitary, similar to GHRP-2 and GHRP-6 which are compounds from the same class (growth hormone releasing peptides). The cells that produce and release GH are known as somatotropes. Ipamorelin acts synergistically when applied during a native GHRH (growth-hormone releasing hormone) pulse or when co-administered with GHRH or a GHRH analog such as Sermorelin or GRF 1-29 (growth releasing factor, aminos 1-29).

The synergy comes both due to the suppression of somatostatin and the fact that ipamorelin increases GH release per-somatotrope, while GHRH increases the number of somatotropes releasing GH. There is also a secondary effect of neuronal excitation in the hypothalamus caused by ipamorelin, which lasts for approximately 3 hours after application, similar to GHRP-2 and GHRP-6.

Ipamorelin has a unique property among the GHRP class of peptides. That property is known as selectiveness. Whereas GHRP-6 and GHRP-2 cause a release and increase in cortisol and prolactin levels, ipamorelin only selectively releases GH at any dose. Further, a mega-dose of ipamorelin results in a concomitant mega-release of GH (up to the entire amount present in the pituitary), whereas GHRP-2 and GHRP-6 have limits of approximately 1mcg/kg in humans for their maximal GH release.


Effects of its use include:
  • Increased energy.
  • Improved sleep and mood.
  • Increased lean muscle mass.
  • Decreased body fat.
  • Increased healing ability.
  • Increased collagen production.
  • No marked effects on FSH, LH, or TSH plasma levels.

Product Information
  • Pre-diluted injectable -20mg @ 2000mcg/ml in 2 x 5ml vials
    40mg @ 2000mcg/ml in 4 x 5ml vials
  • Transdermal - 10mg @ 200mcg/ml in 5 x 10ml syringes

*Note: If you are a registered professional athlete please consult the ASADA or WADA guidelines and your coach, club and/or sporting body before using this peptide.