Is PEG-MGF legal?
PEG-MGF is not FDA approved as a finished drug. For drug-tested athletes it is WADA banned (S2). Not prescribed in conventional medicine.. Legal status depends on your country and changes over time. This reflects US status at the time of writing and is not legal or medical advice.
Regulatory status
- FDA: Not FDA approved as a drug.
- WADA: Banned (S2)
- Prescription: Not prescribed in conventional medicine.
References
- Different roles of the IGF-I Ec peptide (MGF) and mature IGF-I in myoblast proliferation and differentiation — Yang SY & Goldspink G, FEBS Letters, 2002
- Mechano-Growth Factor: an important cog or a loose screw in the repair machinery? — Zabłocka B, Goldspink PH, Goldspink G, Górecki DC, Frontiers in Endocrinology, 2012
Pepdex is an editorial reference, not medical advice. Peptides vary in legal and approval status by country, many are research compounds without full human safety data. Talk to a qualified clinician before starting anything.
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Last updated 2026-06-06.