What are the side effects of MGF (Mechano Growth Factor)?
The most commonly reported MGF (Mechano Growth Factor) side effects are hypoglycemia at higher doses, localized tissue growth at injection site, headache. Most are mild and tend to be dose dependent. It is generally avoided with active malignancy. Human clinical evidence for MGF (Mechano Growth Factor) is limited, so this reflects reported and observed effects, not a complete safety profile.
Reported MGF (Mechano Growth Factor) side effects
- Hypoglycemia at higher doses
- Localized tissue growth at injection site
- Headache
- Skin sensitivity at site
Who should avoid it
- Active malignancy
- Diabetic retinopathy
- Pregnancy / nursing
Bloodwork worth tracking
- IGF-1 baseline + at week 4
- Fasting glucose every 2 weeks
References
- Mechano-growth factor (MGF) and muscle regeneration, review — Goldspink G, J Musculoskelet Neuronal Interact, 2005
- Mechano-growth factor peptide, the COOH terminus of unprocessed insulin-like growth factor 1, has no apparent effect on myoblasts or primary muscle stem cells — Fornaro M, Hinken AC, Needle S, et al., American Journal of Physiology - Endocrinology and Metabolism, 2014
Pepdex is an editorial reference, not medical advice. Peptides vary in legal and approval status by country, many are research compounds without full human safety data. Talk to a qualified clinician before starting anything.
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Last updated 2026-06-06.