Ipamorelin vs MK-677
Side-by-side from the data we track independently: what each compound is, how it's typically dosed, what the community reports, and what it actually costs from live vendor offers. Full evidence lives on each peptide's page.
| Ipamorelin | MK-677 | |
|---|---|---|
| What it is | Selective growth hormone secretagogue. Stimulates GH release without affecting cortisol or prolactin. | Non-peptide ghrelin receptor agonist. Oral GH secretagogue — no injection needed. |
| Category | gh_axis | gh_axis |
| Typical dose | — | — |
| Half-life | ~2h | ~24h |
| Community reports | 52 firsthand reports (76.9% positive). Most reported: Muscle growth & fat loss (26), Sleep quality & recovery (19), Injury healing & joint repair (3). | 164 firsthand reports (83.5% positive). Most reported: Appetite increase & weight gain (66), GH / IGF‑1 axis & recovery (58), Muscle mass & strength (37). |
| Live pricing | From $0.45/mg across 280 vendors. Compare prices → | From $0.88/mg across 24 vendors. Compare prices → |
Common questions
Which is cheaper per mg, Ipamorelin or MK-677?
On live captured offers, Ipamorelin is currently cheaper per mg: from $0.45/mg across 280 vendors, versus MK-677 from $0.88/mg across 24 vendors (USD-converted; prices change between sweeps).
Community counts reflect substantiated, linkable reports only. Prices are captured from vendor catalogues and change between sweeps. Research use only — nothing here is medical advice.