Growth hormone / secretagogues
PEG-MGF
Research chemicalPegylated MGF · IGF-1 splice variant (pegylated)
Longer-acting pegylated version of Mechano Growth Factor.
What it is
MGF modified with polyethylene glycol to extend its very short half-life for systemic research use.
How it works
Same satellite-cell-activating action as MGF, with pegylation extending circulation time.
Studied for
Muscle repair/hypertrophy (preclinical/anecdotal).
Regulatory status
Not FDA-approved; research chemical; WADA-prohibited.
Safety
No human safety data; theoretical proliferative concerns.
Educational information only — not medical advice, and not a recommendation to use any compound. Many peptides here are not approved for human use; legal status and evidence quality vary and are noted above. This page contains no dosing information. Consult a qualified clinician before making any health decision.