How long does MGF (Mechano Growth Factor) take to work?
In the first week of MGF (Mechano Growth Factor), acute pumps and fullness in worked muscle. Around week 4, subjective recovery improvements. Site-specific tissue responses. By week 8, cycle endpoint reached. Receptor desensitization ramping. Response varies between people, this is the commonly reported pattern, not a guarantee.
Week by week
- Week 1: Acute pumps and fullness in worked muscle.
- Week 4: Subjective recovery improvements. Site-specific tissue responses.
- Week 8: Cycle endpoint reached. Receptor desensitization ramping.
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
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Last updated 2026-06-06.