Source comparison
Can You Stack MK-677 Other Peptides: Comparison
MK-677 + CJC-1295 + Ipamorelin Ghrelin mimetic + GHRH analogue + selective GHRP GHS-R1a + GHRH-R + selective GHS-R1a High (multi-pathway) Low Gold standard. Different pathways, minimal receptor competition, strong IGF-1 response in trials MK-677 + GHRP-6 Ghrel
This comparison does not assign a generated winner or score.
- MK-677 + CJC-1295 + Ipamorelin
- Ghrelin mimetic + GHRH analogue + selective GHRP
- GHS-R1a + GHRH-R + selective GHS-R1a
- High (multi-pathway)
- Low
- Gold standard. Different pathways, minimal receptor competition, strong IGF-1 response in trials
- MK-677 + GHRP-6
- Ghrelin mimetic + ghrelin agonist
- GHS-R1a (both)
- Low (receptor competition)
- Moderate (GHRP-6 elevates cortisol/prolactin)
- Poor pairing. Both compounds compete for same receptors, GHRP-6 side-effect profile negates MK-677 selectivity
- MK-677 + Hexarelin
- Ghrelin mimetic + potent GHRP
- Low (receptor saturation)
- High (hexarelin significantly raises cortisol)
- Not recommended. Hexarelin's potency causes rapid desensitisation when combined with MK-677's sustained occupancy
- MK-677 + BPC-157
- GH secretagogue + healing peptide (non-GH pathway)
- GHS-R1a + independent (angiogenic)
- Neutral (independent pathways)
- None
- Compatible but not synergistic. BPC-157 works through VEGF/angiogenesis, doesn't interact with GH axis
- MK-677 + Thymalin
- GH secretagogue + thymus peptide
- GHS-R1a + thymic regulation
- Compatible for combined metabolic/immune research. Thymalin targets T-cell maturation, no GH pathway overlap