Peptide
Ipamorelin
GHRP (Growth Hormone Releasing Peptide)
Rx/Gray AreaHuman StudiesInjection (SubQ)
Half-life
~2 hours
Common dose
200-300mcg per injection
How it works
Selective GH secretagogue that mimics ghrelin. Stimulates pituitary to release growth hormone without spiking cortisol or prolactin.
Commonly used for
HGH stimulationBody compositionAnti-aging
Potential benefits
- Cleanest GH pulse vs other GHRPs — no cortisol spike
- Improves sleep quality significantly
- Supports lean muscle and fat loss over time
- Fewer side effects than synthetic HGH
- Can be prescribed legally via TRT/longevity clinics
Risks and downsides
- Must be refrigerated
- Injection required
- More effective when paired with CJC-1295
- Suppresses natural GH if used long-term
- Banned by WADA for athletes
Heads up: This is for educational purposes only and is not medical advice. Many compounds here are not FDA approved for human use. Please talk to a doctor before starting anything.
Risk level
Evidence
What you need to get started
Where to buy
Ranked by reputation · prices may vary
Limitless BiotechMost trusted
$49.99·per 10mg vial
3rd party tested
★★★★★
Ascension PeptidesBest value
$50.00·per 2mg vial
Frequently paired with CJC-1295 in their FIT bundle
3rd party tested
★★★★★
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