Side effects and watch-outs
- Injection site reaction
- Mild hypoglycaemia
- Headache
- Fatigue
- Potential immune reaction to PEG moiety
- Limited long-term human safety data
Peptide / GH Axis
PEG-MGF (PEGylated Mechano Growth Factor)
PEGylated IGF-1 splice variant activating satellite cells for muscle repair and hypertrophy. PEGylation allows systemic SubQ dosing 2–3x/week vs immediate post-exercise injection required for standard MGF.
Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.