MGF
t½ 6 minutesA splice variant of IGF-1 released by mechanically stressed muscle tissue, involved in satellite cell activation and muscle repair.
Dosing Ranges
Conservative
Starting dose
Standard
Standard dose
Aggressive
Aggressive dose
Doses are in mcg per kg of body weight. Use the Dosage Calculator to get your exact dose.
Protocol Details
Frequency
Post-workout
Cycle Length
4–6 weeks
Administration
Intramuscular injection (localized)
Research Notes
- 1Extremely short half-life (~5–7 minutes) — must be injected directly into the target muscle.
- 2Activates muscle satellite cells for repair and hypertrophy.
- 3Best used immediately post-workout when muscle tissue is mechanically stressed.
- 4PEG-MGF is preferred for systemic or less frequent dosing.
Common Vial Sizes
Calculate your dose
Enter your body weight to get your exact dose in mcg for MGF.
Open Dosage CalculatorMore tools
Where to source peptides
Research Use OnlyApollo Peptides
High-purity peptides, COA on every batch
Peptide Sciences
US-based, 98%+ purity, fast shipping
Limitless Life Nootropics
Wide catalog, quantity discounts
For research use only. PepStack may earn a commission on purchases made through these links — at no extra cost to you.
For informational and research tracking purposes only. Not medical advice. Always consult a qualified healthcare professional before starting any peptide protocol.
User Reviews
PepStack is for research and educational purposes only. This is not medical advice. Always consult a qualified healthcare provider before using any peptides. Dosing data is sourced from published research and community protocols — verify with your provider.
View our sources →