MK-677 (Ibutamoren)
From PeptideSciences101, the open peptide reference. · Last updated: October 7, 2025
This article is a stub. A peer-reviewed deep-dive is in preparation. Help contribute to expand it.
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Overview
Oral growth hormone secretagogue that increases GH and IGF-1 levels. Not a peptide but commonly grouped with them.
Reported benefits
Increased appetite, muscle growth, improved sleep, bone density enhancement
Protocols & dosing
Typical dosage: 10-25 mg (daily).
Detailed dosing protocols have not yet been catalogued.
FDA & legal status
MK-677 (Ibutamoren) is not currently FDA-approved for any indication. It is generally classified as a research compound. Regulatory status varies by country.
| Country | Status |
|---|---|
| United States | Research use only |
| United Kingdom | Prescription-only / not licensed |
| Canada | Prescription-only / Schedule F if licensed |
| Australia | TGA-scheduled |
Vendor information
PeptideSciences101 does not endorse vendors. For transparency metrics and third-party testing notes, see the vendor directory.
Side effects & safety
Reported side effects: Increased appetite, water retention, elevated blood sugar, potential insulin resistance
References
No external sources have been catalogued for this article yet.
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Categories: Performance & Growth