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Research compounds / GH peptides / Ipamorelin

GH peptides · research peptide

Ipamorelin

Selective GHS-R agonist used in GH pulse and metabolic signalling research.

≥98.7% purity by third-party HPLC · White lyophilized powder · Certificate of Analysis with every order

Vial sizes
5 mg vial$44.99 · monthly $40.49
10 mg vial$80.99 · monthly $72.89
15 mg vial$111.99 · monthly $100.79
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Ipamorelin 5mg research vial, Helix Research Labs label

Specifications

Purity (HPLC, third party)≥98.7%
Molecular weight711.85 g/mol
AppearanceWhite lyophilized powder
SequenceAib-His-D-2-Nal-D-Phe-Lys-NH₂
PubChem recordCID 9831659
CategoryGH peptides

Research background

Ipamorelin is a pentapeptide growth hormone secretagogue and selective ghrelin receptor (GHS-R1a) agonist. It is notable in research for its high selectivity — studies suggest it stimulates GH release without significantly affecting cortisol, prolactin, or ACTH levels at typical research concentrations.

Its compact five amino acid structure and high receptor selectivity have made it a valuable pharmacological tool in metabolic and neuroendocrine research, particularly for studying the pulsatile regulation of the GH axis in cell and tissue models.

References

  1. Raun K. et al. (1998). Ipamorelin, the first selective growth hormone secretagogue. Eur J Endocrinol.
  2. Johansen P.B. et al. (1999). Ipamorelin, a new growth-hormone-releasing peptide, induces longitudinal bone growth in rats. Growth Hormone & IGF Research.

Storage and handling

-20°CLong-term storage
4°CShort-term (≤4 weeks)
DarkLight sensitive
DryDesiccant recommended
24 mo.Shelf life (sealed)
BAC WaterReconstitution

For laboratory research use only. Not for human or veterinary use. Sold to researchers aged 18 or older.