PEG-MGF dosage: reported doses and schedule
A modified MGF peptide with no human dosing studies and uncertain identity in unregulated vials.
Also called: PEG MGF, PEGylated mechano growth factor, Mechano growth factor pegylated.
IGF-1 splice variants · PEG-conjugated synthetic MGF E-domain peptide.
Typical reported dose: 200 mcg twice a week
- 200 mcg twice weekly: 200 mcg per injection wednesday and Saturday, under the skin. Reported by users, rare report. Studied in: Adults discussing physique or recovery use online. (source)
- 300–400 mcg on training days: Up to 300 mcg/day, sometimes 400 mcg/day on training days, sometimes on consecutive days, into muscle. Reported by users, rare report. Studied in: Adults discussing physique or recovery use online. (source)
- 120 mcg after training: 120 mcg per reported injection after workouts; days per week not stated, into muscle. Reported by users, rare report. Studied in: Adults discussing physique or recovery use online. (source)
- 200–400 mcg, 2–3 times weekly: 200–400 mcg per injection 2–3 times per week, under the skin. Reported by users, rare report. Studied in: Adults discussing physique or recovery use online. (source)
- 1,000 mcg twice weekly: 1,000 mcg per session, divided into twenty 50 mcg injections twice weekly, with the second session about 3–4 days later, into muscle. Reported by users, rare report. Studied in: Adults discussing physique or recovery use online. (source)
- Nasal experiment, 200 mcg twice daily: 200 mcg per administration, 400 mcg/day total twice daily, nasal spray. Reported by users, rare report. Studied in: Adults discussing physique or recovery use online. (source)
These are doses reported in labels, trials or user reports, not a personal plan. Check the source behind each one.
Related to PEG-MGF
- Mechano growth factor (MGF): A muscle-repair peptide idea with mixed lab findings and no human dosing studies.
- BPC-157: An experimental repair peptide with mostly animal evidence and a few small human reports.
- TB-500: A short piece of thymosin beta-4 with no proven repair benefit in humans.
- IGF-1 LR3: An unapproved growth signal with no human trials found.
Sources
- 503B Bulk Drug Substances List, FDA · FDA · 2026
- Bulk Drug Substances Nominated for Use in Compounding Under Section 503A of the Federal Food, Drug, and Cosmetic Act, FDA · FDA · 2026
- Certain Bulk Drug Substances for Use in Compounding that May Present Significant Safety Risks, FDA · FDA · 2026
- Medicines, European Medicines Agency · European Medicines Agency · 2026
- Meeting of the Pharmacy Compounding Advisory Committee, FDA · 2026
- Peptide products, Therapeutic Goods Administration · TGA · 2026
- Pyrogen and Endotoxins Testing: Questions and Answers, FDA · 2026
- The 2026 Prohibited List, World Anti-Doping Agency · WADA · 2026
- Therapeutic Goods (Poisons Standard—October 2026) Instrument 2026, Australian Government · Australian Government · 2026
- Think twice before injecting peptides bought online: unauthorized products can seriously harm you, Health Canada · Health Canada · 2026
- Supply unlicensed medicinal products (specials), MHRA · 2025
- Using intramuscular injections in people on oral anticoagulants, NHS Specialist Pharmacy Service · NHS Specialist Pharmacy Service · 2023
- Q6A Specifications: Test Procedures and Acceptance Criteria for New Drug Substances and New Drug Products: Chemical Substances, FDA · FDA · 2000
- Anaphylaxis: MedlinePlus Medical Encyclopedia, MedlinePlus · MedlinePlus
- Low Blood Glucose (Hypoglycemia), National Institute of Diabetes and Digestive and Kidney Diseases
Sources checked: 2026-10-18.
Information only, not medical advice. Peptifacts does not sell anything and does not link to sellers.