MK-677

Fat LossOral ghrelin-mimetic small moleculeExperimental

Oral non-peptide GH secretagogue (ibutamoren) that raises GH and IGF-1. Not FDA-approved. WADA S2 names ibutamoren (MK-677).

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For research use only.

Key Facts

CAS: 159752-10-0
Molecular Weight (MW): —
Half-life: ~24 hours
Unit: mg
Administration Route: Oral
Frequency: Once daily
Last updated: Aug 23, 2026
Targets: GHSR

Vendor price snapshot

Price per mg is list price divided by vial size in milligrams when both are known from public vendor listings. Peptide Library does not sell peptides. Confirm live prices on the vendor site.

Vendors listing this peptide: 4
Listed offers: 4
Price per mg range: $3.60–$12.00/mg

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Overview

Oral non-peptide GH secretagogue (ibutamoren) that raises GH and IGF-1. Not FDA-approved. WADA S2 names ibutamoren (MK-677).

Protocol

Dosage Range: Research literature often 10–25 mg orally once daily — not an approved label
Frequency: Once daily
Cycle: Research-dependent
Administration Route: Oral
Reconstitution Guide: Oral — no reconstitution
Timing Notes: Educational catalog only — not medical advice