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What is Hexarelin? Research Information

Product information:

Chemical formula – C47H58N12O6

Molecular weight – 887.0

Other names:

  • Hexarelin
  • Examorelin
  • 140703-51-1
  • EP-23905
  • UNII-09QF37C617
  • MF-6003
  • SCHEMBL26959
  • CHEMBL108335
  • (S)-2-((2R,5S,8S,11R,14S)-5-((1H-indol-3-yl)methyl)-14-amino-2-benzyl-15-(1H-imidazol-4-yl)-8-methyl-11-((2-methyl-1H-indol-3-yl)methyl)-4,7,10,13-tetraoxo-3,6,9,12-tetraazapentadecanamido)-6-aminohexanamide

Discovery of  Hexarelin

Hexarelin is a derivative of GHRP-6. Mediolanum Farmaceutici in Spain derived it. This new compound was found to be more stable and well tolerated in comparison to GHRP-6. Hexarelin has reached Phase II of clinical testing and the official results for its application in the treatment of Growth hormone deficiency will be officially reported.

Mechanism of Action

Hexarelin is an analog of growth hormone release peptide (GHRP-6). This molecule produces a potent effect in the release of growth hormones. A study was carried out to understand the mechanism of action of hexarelin. According to this study, hexarelin could potentially increase growth hormone levels. This effect was far more potent than what GHRH produced. However, the effect of hexarelin was short-term.

Based on this experiment, three mechanisms were concluded for Hexarelin. It directly acts on the pituitary gland to release growth hormones. Indirectly, it may also be involved in the release of GHRH. Other than this, it also acts on the hypothalamus to release growth hormones working synergistically with GHRH.

Clinical Applications of Hexarelin:

The most common indications include:

Bone Loss

Aging causes a decline in the secretion of growth hormones. This eventually results in the pathogenesis of the involutional bone. It is sometimes considered that restoration of levels of Growth hormone may help maintain bone mass. According to a study, Hexarelin has the potential to reduce bone loss due to its bone protective effect. The release of growth hormones mediates this effect. However, there may be other effects of hexarelin that may contribute to this bone protective effect.

Cardioprotective effects

There have been several experiments that compare hexarelin to ghrelin. However, ghrelin has a very short duration of action which limits its application. Hexarelin, on the other hand, is chemically stable. It has several cardioprotective effects, such as cardiac fibrosis, cardiac dysfunction, ischemic heart disease, and atherosclerosis. The effects of hexarelin, in this case, maybe due to its direct link with the cardiac receptors CD36.


Hexarelin is a regulator of peroxisome-activated receptor gamma. This helps in the regulation of adipogenesis and the metabolism of lipids. Administration of hexarelin helps in the reduction of glucose levels. Also, it helps in increasing the beta cell number that produces insulin. Hence, hexarelin is helpful in the management of diabetes as well as other endocrine and metabolic disorders. Researchers have now increased the application of hexarelin to diabetic cardiomyopathy. 


The information provided about Hexarelin peptide in this section is only for research and disbursement of knowledge. The material collected in this article is meant for informational purposes about Hexarelin and is not to be considered instructional in any way. Moreover, we have further empathized with this by making sure no dosage information of Hexarelin Peptide or recommendations about its consumption are mentioned. The information available in this article is a collection from different recognized studies and researches conducted by known experts and researchers in controlled medical facilities and institutions. Furthermore, the information provided in the article is not to encourage the reader to start its consumption or as an advertisement of the product.  Administering any supplement or medication not FDA approved may be harmful and cause serious illness. Peptide Pros insist that none of their products be ingested under any circumstances.


  3. Torsello, A., Grilli, R., Luoni, M., Guidi, M., Ghigo, M. C., Wehrenberg, W. B., … & Locatelli, V. (1996). Mechanism of action of Hexarelin. I. Growth hormone-releasing activity in the rat. European journal of endocrinology, 135(4), 481-488.
  4. Sibilia, V., et al. “Bone effects of hexarelin, a GH-releasing peptide, in female rats: influence of estrogen milieu.” European journal of endocrinology 146.6 (2002): 855-862.
  5. Mao, Yuanjie, Takeshi Tokudome, and Ichiro Kishimoto. “The cardiovascular action of hexarelin.” Journal of geriatric cardiology: JGC 11.3 (2014): 253.
  6. Mosa, Rasha Mofeed Habeeb, et al. “Implications of ghrelin and hexarelin in diabetes and diabetes-associated heart diseases.” Endocrine 49.2 (2015): 307-323.

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