Head-to-head comparison
MK-677 vs Rapamycin
Physician-reviewed comparison
MK-677
Clinical DataResearch Only
An oral growth hormone secretagogue that mimics ghrelin to stimulate GH and IGF-1 release.
Rapamycin
Peer ReviewedFDA Approved
An mTOR inhibitor FDA-approved as an immunosuppressant, now studied for longevity applications.
Quick Comparison
| Dimension | MK-677 | Rapamycin |
|---|---|---|
| Category | growth hormone secretagogue | longevity |
| Classification | Non-peptide Growth Hormone Secretagogue (Ghrelin Mimetic) | mTOR Inhibitor (Macrolide) |
| Evidence Rating | Clinical Data | Peer Reviewed |
| Regulatory Status | Research Only | FDA Approved |
| Delivery | Oral capsule, Oral liquid | Oral tablet, Topical cream |
| Complexity | 4 / 5 | 4 / 5 |
| Refrigeration | Not required | Not required |
Dosing Comparison
MK-677
GH Secretagogue (Oral)
10–25 mg · daily
Rapamycin
Longevity (Intermittent)
1–6 mg · weekly
Transplant Immunosuppression (FDA-Approved)
2–15 mg · daily
Can You Stack Them?
No known direct interaction between MK-677 and Rapamycin in our database. However, always consult your provider before combining compounds.
Medical Disclaimer
This comparison is for educational purposes only. Individual responses vary. Consult a qualified healthcare provider before using any compound.