The cleanest growth hormone secretagogue available — a selective GHRP that triggers natural GH release with minimal cortisol or prolactin elevation, making it the preferred entry-level peptide for GH optimization.
| Provider | Type | Price | Review | Link |
|---|---|---|---|---|
| Defy Medical | Telehealth | ~$200/mo | Read review | Get Started → |
| Marek Health | Telehealth | $166/mo | Read review | Get Started → |
| NextGenPeps | Research | $59 / 10mg | — | Visit Site → |
Telehealth = physician-prescribed. Research = for research use only, no prescription required. Learn the difference →
Ipamorelin is a pentapeptide GHRP (growth hormone-releasing peptide) that binds to the ghrelin receptor (GHS-R) in the pituitary gland, triggering a selective pulse of growth hormone release. What sets it apart from older GHRPs like GHRP-2 or GHRP-6 is its selectivity: ipamorelin releases GH without meaningfully elevating cortisol, prolactin, ACTH, or causing significant hunger — making it the most side-effect-friendly GH secretagogue available.
After injection, ipamorelin produces a clean, natural-style GH pulse that mimics the body's nocturnal GH release pattern. It does not affect feedback regulation of the GH axis long-term, meaning the pituitary continues to respond normally. For this reason, it is often the recommended starting point before adding CJC-1295 to the protocol.
Most users report improved sleep depth and recovery within the first 1–2 weeks. Gradual changes in body composition — reduced body fat, improved muscle tone — become apparent over 8–12 weeks. It is one of the gentlest peptides available and rarely produces noticeable side effects at standard doses.
Use code 3LUIZH10 at NextGenPeps for a discount on research-grade ipamorelin.