PEG-MGF (2 mg Vial) Dosage Protocol
PEG-MGF is a PEGylated form of mechano-growth factor (a splice variant of IGF-1Ec) studied for satellite cell activation and skeletal muscle repair. PEGylation extends half-life from minutes to days.
â¡ Quickstart Highlights
Dosing & Reconstitution Guide
Educational guide for reconstitution and daily dosing
Standard / Gradual Approach (3 mL = ~0.667 mg/mL)
| Week | Daily Dose (mcg) | Units (per injection) (mL) |
|---|---|---|
| Weeks 1â2 | 200 mcg | 30 units (0.30 mL) |
| Weeks 3â4 | 300 mcg | 45 units (0.45 mL) |
| Weeks 5â6 | 400 mcg | 60 units (0.60 mL) |
| Weeks 7â8 | 500 mcg | 75 units (0.75 mL) |
Frequency: Inject once daily subcutaneously. Pegylation extends MGFâs half-life, allowing systemic once-daily SC dosing instead of frequent intramuscular injections. This schedule uses the largest practical dilution (3.0 mL) to keep per-injection volumes easy to measure accurately on standard insulin syringes.
Reconstitution Steps
- Draw 3.0 mL bacteriostatic water with a sterile syringe.
- Inject slowly down the vial wall; avoid foaming.
- Gently swirl/roll until dissolved (do not shake).
- Label and refrigerate at 2â8 °C (35.6â46.4 °F), protected from light.
Important: This guide is for educational purposes only and is not medical advice. For research use only. Not for human consumption.
Supplies Needed
Plan based on an 8â16 week daily protocol with gradual titration.
| Item | Quantity |
|---|---|
| Peptide Vials (PEG MGF, 2 mg each) | 8 weeks â 10 vials 12 weeks â 17 vials 16 weeks â 24 vials |
| Insulin Syringes (U-100) | Per week: 7 syringes (1/day) 8 weeks: 56 syringes 12 weeks: 84 syringes 16 weeks: 112 syringes |
| Bacteriostatic Water (10 mL bottles) | 8 weeks (10 vials): 30 mL â 3 Ã 10 mL bottles 12 weeks (17 vials): 51 mL â 6 Ã 10 mL bottles 16 weeks (24 vials): 72 mL â 8 Ã 10 mL bottles |
| Alcohol Swabs | Per week: 14 swabs (2/day) 8 weeks: 112 swabs â recommend 2 Ã 100-count boxes 12 weeks: 168 swabs â recommend 2 Ã 100-count boxes 16 weeks: 224 swabs â recommend 3 Ã 100-count boxes |
Protocol Overview
Most-cited research use is post-training to amplify muscle satellite cell activation during the recovery window. Twice-weekly dosing during active training cycles, then break.
Storage Instructions
| State | Temperature | Duration |
|---|---|---|
| Lyophilized | â20°C (â4°F) | Up to 24 months, dry & dark |
| Reconstituted | 2â8°C (35â46°F) | Up to 28 days, protect from light |
Important Notes
How This Works
Mechano-growth factor (MGF) is a splice variant of insulin-like growth factor-1 (IGF-1Ec) produced in skeletal muscle in response to mechanical loading. It activates satellite cells â muscle stem cells responsible for hypertrophy and repair after damage.
PEGylation (attachment of polyethylene glycol) extends MGF's half-life from minutes (native) to ~24 hours, enabling weekly dosing protocols for muscle repair research.
Potential Benefits & Side Effects
Potential Benefits
- Satellite cell activation and proliferation.
- Promotes skeletal muscle repair after damage.
- Studied in muscular dystrophy and aging models.
- Cardioprotective effects in some models.
Side Effect Profile
- Generally well-tolerated in available research.
- Mild injection-site reactions possible.
- Theoretical IGF-related concerns at supraphysiologic doses.
Lifestyle Factors
- Pair with resistance training for muscle-repair outcomes.
- Adequate protein intake (1.2â1.6 g/kg/day).
- Sleep 7â9 hours/night.
Injection Technique
- Subcutaneous or intramuscular near target muscle.
- Rotate sites if dosing twice weekly.
- 90° angle with short insulin needle.