How to reconstitute Thymogen: mixing and storage

A Russian peptide used for immune problems, with negative cancer trials.

Also called: Timogen, Thymagen, L-Glu-L-Trp, Glu-Trp, EW, Alpha-glutamyl-tryptophan, Oglufanide, IM862, IM-862.

Khavinson bioregulator peptides · Synthetic L-glutamyl-L-tryptophan immune-modulating dipeptide.

Comes as: Russian ready-made intramuscular solution: 100 mcg in a 1 mL ampoule, Russian metered nasal spray: 25 mcg per actuation, Russian 0.05% skin cream, Formulated powder for an oral gel, as studied in gastritis.

Mixed with: Injection solution already contains sodium chloride and water for injection. No added diluent is specified..

  • A 1 mL injection ampoule contains 0.1 mg. It is not a multi-milligram freeze-dried research vial.
  • No verified common community vial size, water volume or storage lifetime could be established.

Before mixing: Russian instructions: injection 0–10°C; historical nasal spray ≤25°C, dry and protected from light; cream 2–20°C. Check the exact formulation.

After mixing: Injection ampoules are ready-made; no validated home mixed-vial shelf life was found. Oral studies used freshly prepared gel.

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Sources

Sources checked: 2026-10-18.

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