MGF vs PEG-MGF
Native short-acting vs pegylated long-acting MGF.
| Attribute | MGF Mechano Growth Factor, IGF-1Ec | PEG-MGF Pegylated Mechano Growth Factor |
|---|---|---|
| Category | Muscle Growth & Performance | Muscle Growth & Performance |
| Best known for | Local muscle satellite cell activation research | Long-acting MGF analog research |
| In plain English | Where IGF-1 is the systemic growth signal, MGF is the local 'this muscle was just damaged, send repair crews' signal. | Same local muscle repair signal as MGF, but engineered to circulate long enough for systemic dosing. |
| How it works | Activates muscle satellite cells, increasing their proliferation and fusion to damaged myofibers. | Activates muscle satellite cells systemically rather than just locally, supporting hypertrophy and repair across multiple muscles. |
| Researchers study | Hypertrophy, muscle repair, and sarcopenia. | Hypertrophy, recovery, and post-injury models. |
| Internet discussion | Discussed alongside IGF-1 LR3; debated for short native half-life vs PEG-MGF. | Discussed in advanced muscle-building research alongside IGF-1 LR3. |
MGF
Local muscle satellite cell activation research
Where IGF-1 is the systemic growth signal, MGF is the local 'this muscle was just damaged, send repair crews' signal.
Activates muscle satellite cells, increasing their proliferation and fusion to damaged myofibers.
Hypertrophy, muscle repair, and sarcopenia.
Discussed alongside IGF-1 LR3; debated for short native half-life vs PEG-MGF.
MGF is a local splice variant of IGF-1 researched for muscle satellite cell activation and repair.
PEG-MGF
Long-acting MGF analog research
Same local muscle repair signal as MGF, but engineered to circulate long enough for systemic dosing.
Activates muscle satellite cells systemically rather than just locally, supporting hypertrophy and repair across multiple muscles.
Hypertrophy, recovery, and post-injury models.
Discussed in advanced muscle-building research alongside IGF-1 LR3.
PEG-MGF is the pegylated, long-acting form of MGF researched for systemic muscle repair.