Region:
All editionsMethodologyUpdated · September 2026
GH secretagogue research

Ipamorelin.
3 vendors · $1722

Synthetic pentapeptide described in 1998 by Novo Nordisk researchers as a selective ghrelin/GH-secretagogue receptor agonist; researched for growth-hormone release. Not approved for human therapeutic use.

SequenceAib-His-D-2-Nal-D-Phe-Lys-NH₂
Compound specification
Formula
C₃₈H₄₉N₉O₅
CAS
170851-70-4
MW
711.9 g/mol
Half-life
2 hours (terminal half-life, human IV-infusion study; Gobburu et al. 1999)
Storage
Lyophilised powder below −15 °C in a tightly closed container, shielded from light; equilibrate the sealed vial to room temperature before opening. Reconstituted vials 2–8 °C.
Sizes
2 mg, 5 mg, 10 mg
Live vendor register · sorted by price

Every vendor. Same compound, sorted ascending.

IPAMORELIN · price-normalised
n = 3 vendors
01
Pharma Lab Global
VID-PHARMA-L
HPLC certificates
99%
10–14 days · UK dispatch · from £12.91
$17
02
SwissChems
VID-SWISSCHE
HPLC (Janoshik)
99%
2–3 weeks · US dispatch
$18
03
QSC Peptides
VID-QSC-PEPT
HPLC · MS · Janoshik
99%
7–14 days (international) · Kit of 10
$22
Representative literature

Research context. Recent peer-reviewed work.

1998 · Eur. J. Endocrinol.
Ipamorelin, the first selective growth hormone secretagogue
1999 · Pharm. Res.
Pharmacokinetic-pharmacodynamic modeling of ipamorelin, a growth hormone releasing peptide, in human volunteers
2014 · Int. J. Colorectal Dis.
Prospective, randomized, controlled, proof-of-concept study of the ghrelin mimetic ipamorelin for the management of postoperative ileus
cited by n = 117
Long-form research guide

Weight Loss Research. Mechanism + protocols + safety.

Lipolysis, GH secretagogues, and adipose tissue modulation in obesity models

Open the long-form guide for Ipamorelin →