peptideInjectable

Mechano Growth Factor

Also known as: MGF

Half-life
1 h
Typical timing
any
Food rule
either
Default unit
mcg

Studied for

Overview

Mechano Growth Factor (MGF) is a splice variant of Insulin-like Growth Factor-1 (IGF-1) that is naturally produced in response to mechanical stress, such as resistance exercise. It plays a crucial role in muscle regeneration and repair processes. When muscle fibers are damaged, the IGF-1 gene is spliced in a way that produces MGF, which then acts locally to initiate muscle stem cell (satellite cell) activation and proliferation. This activation is essential for the repair of damaged muscle tissue and the growth of new muscle fibers, contributing to muscle hypertrophy. Unlike systemically circulating IGF-1, MGF is thought to exert its effects primarily within the muscle tissue where it is produced, making it a localized mediator of muscle adaptation. Research into MGF explores its potential applications in sports science, regenerative medicine, and age-related muscle wasting conditions (sarcopenia). As a peptide, MGF is typically administered via injection, and its half-life in the body is relatively short. Its classification as a peptide means it's a chain of amino acids, smaller than a protein, and it interacts with specific receptors to elicit its biological effects.

Deep dive

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Known interactions

  • Category rule: peptide × hormone
    Note

    Injectable peptides plus hormones can have overlapping or compounding effects that aren't always well characterized.

    Track bloodwork with a provider; don't assume combinations are neutral.

Frequently asked

Sources referenced

["PubChem (National Library of Medicine)", "DrugBank (University of Alberta)", "World Anti-Doping Agency (WADA)"]

Stackwise compiles summaries from publicly available scientific and regulatory references. Always verify important decisions with a licensed clinician.

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Related benefits

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