EDUCATIONAL LIBRARY
MK-677
Ibutamoren is a nonpeptide growth-hormone secretagogue.
Aliases: ibutamoren
Half-life context
Unknown. No verified formulation-specific human estimate in this source set; no guessed value is supplied.
Regulatory status
Checked 2026-10-09
FDA product approval
not established. No US therapeutic product approval is established by this curated source set; other countries and products may differ.
Compounding
not established. Compounded products do not carry FDA product approval; legal eligibility is not established here.
Research status
investigational. Human hip-fracture study; early termination and safety findings limit interpretation.
Sport status
prohibited. WADA S2 lists ibutamoren.
Evidence C
Limited or early human observations; substantial uncertainty remains.
Grades describe the cited population and indication, not safety or suitability for an individual.
Population: Human hip-fracture study; early termination and safety findings limit interpretation.
Indication: No general wellness indication established.
Basis: Limited or preclinical evidence; the grade is not a safety rating.
Risks
- A human trial stopped after a heart-failure signal.
Contraindications
- Unknown or incomplete for research formulations; this is not a clearance for use.
Interactions
- Unknown or incomplete; do not infer compatibility with medications or other substances.
What to record
- Existing clinician-directed records, symptoms and dated health measurements.
- Record missing data; trends do not demonstrate causation.
A licensed clinician must interpret the evidence for your situation. This entry provides education, not treatment instructions.
Review: source-curated; clinician review pending
Sources
- Primary evidence or regulator source. Checked 2026-10-09
- WADA prohibited list. Checked 2026-10-09
Where to buy
Optional partner links, separate from the research above.
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