How to reconstitute PEG-MGF: mixing and storage

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.

Comes as: Powder vial for mixing; community reports., Homemade nasal spray; one proposed experiment..

Mixed with: Community posts describe bacteriostatic water. Compatibility and stability are not established..

Common vial sizes: 2, 4 mg. Common water amounts: 2 mL.

  • Vial sizes and water volumes are examples in posts, not a measured market distribution.
  • No approved mixing instructions or beyond-use date exists for these reported products.
  • Bacteriostatic water does not sterilize contaminated powder.
  • The direct mixing log used 4 mg with 2 mL. Do not copy the incorrect syringe-unit rules in some replies.

Before mixing: No validated product-specific temperature, shelf life or shipping-stability data were found.

After mixing: No validated storage temperature or usable lifetime after mixing was found. Clear appearance does not prove sterility.

Related to PEG-MGF

Sources

Sources checked: 2026-10-18.

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