Bronchogen is a synthetic four-amino-acid peptide (Ala-Glu-Asp-Leu) from the same Russian research group as Epitalon. Its developers describe it as a bioregulator for the airways. It is not approved as a drug in the US, and we found no human studies.
Also known as: Ala-Glu-Asp-Leu, AEDL peptide.
Bronchogen powder vials are usually labeled 20 mg.
Water and syringe-unit charts by vial size: 20 mg
Here is the math for a 20 mg vial mixed with 2 mL of bacteriostatic water, drawing 1 mg with a U-100 insulin syringe (1 mL = 100 units).
20 mg ÷ 2 mL = 10 mg/mL1 mg ÷ 10 mg/mL = 0.1 mL0.1 mL × 100 = 10 units| Amount | Volume | U-100 syringe |
|---|---|---|
| 500 mcg | 0.05 mL | 5 units |
| 1 mg | 0.1 mL | 10 units |
| 2 mg | 0.2 mL | 20 units |
Adding more water doesn't change how much bronchogen is in the vial. It only spreads it over more liquid, so each draw is bigger and easier to read.
| Water added | Concentration | Volume | U-100 syringe |
|---|---|---|---|
| 1 mL | 20 mg/mL | 0.05 mL | 5 units |
| 2 mL | 10 mg/mL | 0.1 mL | 10 units |
| 3 mL | 6.67 mg/mL | 0.15 mL | 15 units |
| 5 mL | 4 mg/mL | 0.25 mL | 25 units |
For any other vial size or amount, the free peptide reconstitution calculator works backwards from the amount you want and suggests a water volume that lands on a clean syringe mark.
In rats given COPD-like lung damage by breathing nitrogen dioxide for 60 days, a month of bronchogen restored the airway lining and lowered inflammation (Kuzubova 2015; Titova 2017). In cell cultures it raised differentiation markers in human bronchial cells (Khavinson 2012).
We could not find a published study of bronchogen in people.
We could not find a published human half-life for this compound. Figures quoted online usually come from animal or cell studies, so we do not list one here.
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