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Bronchogen

Last reviewed: July 13, 2026 by The Peptide Catalog Team

A Khavinson bronchial tetrapeptide (Ala-Glu-Asp-Leu / AEDL) studied in rat lung models for respiratory-tissue repair; preclinical, no human data. Bronchogen is a bronchial peptide bioregulator studied for respiratory tissue support.

CategoryLongevity & Mitochondrial Peptides
GoalLongevity
Overview

Core Benefits

Key Advantages
Bronchial repair (animal)
Reduced airway remodeling in rat obstructive-lung models.
Epithelial differentiation
Induced bronchial-cell differentiation markers in vitro.
Anti-inflammatory (preclinical)
Reported reparative/anti-inflammatory effects in lung tissue.
Synthetic AEDL peptide
A tissue-specific bronchial bioregulator, sold for research.
No human data
Rat and cell studies only — no clinical evidence.
No established dose
Community short courses only — not validated.

These are educational summaries of commonly discussed effects in wellness/regenerative contexts, not guarantees.

Bronchogen Results Timeline

Progression
1
Days 1–3
Physical Changes
No reliable early-effect data; the proposed mechanism is not acute stimulation
Performance & Recovery
Any same-day change is anecdotal and unverified
Other Benefits
No human timeline exists for this bioregulator
2
Days 4–10
Physical Changes
Active window in the community short-course model
Performance & Recovery
Closest anchors are preclinical (animal/cell) findings — not human felt effects
Other Benefits
Subjective change here is anecdote, not measured data
3
Days 11–20
Physical Changes
End of a typical community course; effects (if any) unquantified in humans
Performance & Recovery
No human outcome data supports a specific result at this stage
Other Benefits
Any longer-term claim comes from single-lab animal work, not human trials
4
Beyond
Physical Changes
No human maintenance or long-term data exists
Performance & Recovery
Extract-parent data (where it exists) does not transfer to this synthetic peptide
Other Benefits
Treat all timelines as unproven, research-context only

Timeline is illustrative and non-guaranteed. Outcomes vary and are commonly discussed alongside training, nutrition, sleep, and cycling practices.

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How It WorksShort-Peptide Bioregulator — Bronchial / Respiratory (Preclinical Evidence Only)

Target → Signal → Effect → Outcomes

1
Target

Bronchial Tissue / Gene Promoters (proposed)

Bronchogen is the tetrapeptide Ala-Glu-Asp-Leu (AEDL) from the Khavinson program. The hypothesis is tissue-specific regulation of bronchial-cell gene expression — modeled in-vitro, not confirmed in humans.

2
Cellular Signal

Bronchial Repair & Differentiation (animal/in-vitro)

In rat obstructive-lung models and cell culture, the group reported reduced airway remodeling and induction of bronchial-differentiation markers. These are preclinical findings framed as a proposed tissue-specific signal.

3
Systemic Effect

Respiratory-Tissue Repair (Animal Models)

The organism-level data is rat lung pathology models only. There is no human data of any kind for Bronchogen.

4
What You Notice

Unknown in Humans

No human evidence exists to predict a felt effect. Reported effects were in rat tissue and cell culture, not human experience.

What Makes This Peptide Different

Bronchogen is a research tetrapeptide (AEDL) — a tissue-specific bronchial bioregulator in the Khavinson framework. Its evidence is entirely rat lung models and in-vitro differentiation from one research lineage; no human data, no approval, no established dose.

Bronchogen Vendors

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EZ Peptides

EZ Peptides

Score
10/10
Price
$52.20
$58.00
Amount
10mg
Cost/mg
$5.80/mg
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Swiss Chems

Score
9/10
Price
$64.95
Amount
20mg
Cost/mg
$3.25/mg
Ships Worldwide
View at Swiss Chems
Dosing ProtocolRespiratory-Tissue Support (Research / No Human Data)

Educational reference only. Individual responses vary. Consult healthcare provider before use.

Vial Size
20 mg
Reconstitution
2 ml BAC water (10 mg/ml)
Dose
1-2 mg (10-20 units) — community convention, not a trial dose
Timing
AM
Frequency
Once daily
Duration
Short 10-20 day courses (community convention)
Protocol Notes
Khavinson bronchial tetrapeptide (Ala-Glu-Asp-Leu / AEDL). No human dose exists — figures are community conventions. Evidence is rat lung models and cell culture only.

Why This Dosing Protocol

What dose do people use? Community short courses (~1-2 mg/day for 10-20 days) anchored to the 20 mg vial — not trial-derived.

Why short courses? Convention by analogy to Khavinson-program pulse dosing, not a tested Bronchogen protocol.
Full Dosing GuideReconstitution CalculatorCycle Cost Calculator

Reconstitution Calculator

Dilution math and unit conversions. Prefilled using a common vial size for this peptide.

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Storage & Handling

Storage at a glance

Proper storage temperatures, shelf life, reconstitution best practices, and travel tips for lyophilized and reconstituted peptides.

Powder: Freezer
1+ year at -20°C
Reconstituted: Fridge
4 weeks max at 2-8°C
View Complete Storage Guide

Handling specifics

Educational overview on storage, labeling, and traceability considerations for lab environments. Consult primary literature and vendor documentation for specifics.

Powder storage (very stable)
  • Freezer (-20°C): 1+ year
  • Refrigerator (2-8°C): 1-3 months
  • Room temperature: 2-3 weeks (emergency only)
Reconstituted storage (fragile)
  • MUST refrigerate at 2-8°C
  • 4-week maximum shelf life
  • NEVER freeze after reconstitution
  • Use bacteriostatic water for multi-dose

FAQ

What is Bronchogen?

Bronchogen is a synthetic bronchial tetrapeptide — Ala-Glu-Asp-Leu, or AEDL — from the Russian Khavinson bioregulator program. It is marketed for respiratory-tissue support. In rat models of obstructive lung disease and in cell culture, the Khavinson group reported effects on bronchial-epithelium repair and differentiation. There are no human trials.

How strong is the evidence behind Bronchogen?

Weak and preclinical only. The data is rat lung models and in-vitro differentiation studies from a single research lineage, with no human data and no independent replication. It is sold as a research chemical.

Is Bronchogen a treatment for lung conditions?

No. There is no clinical evidence that Bronchogen treats any respiratory condition in humans. Reported effects come from animal and cell studies only, and it is not approved for any use.

How long does reconstituted peptide last?

Once mixed with bacteriostatic water, peptides remain stable for up to 4 weeks when refrigerated at 2-8°C (36-46°F). Unopened powder can last 1+ year in the freezer. Get our complete Storage & Travel Guide.

Is this peptide legal to purchase?

Peptides sold "for research purposes only" are legal to purchase in the US, but are not FDA-approved for human use outside of specific medical applications. Always consult a healthcare provider before use.

New to peptides?

Take our Peptide Match tool to find the best peptide for your goals. You can also read our Complete Guide to Peptides to learn the basics.

Bronchogen Research Articles

dosing

Bronchogen Dosage Chart: 10-20 Day Course Protocol

A synthetic bronchial tetrapeptide with no validated dose. What research-chem sources report for short courses, plus the extract-vs-synthetic caveat.

side-effects

Bronchogen Side Effects: What the Evidence Shows

Its makers claim near-zero side effects, but independent respiratory safety data barely exists. What the rat studies show — and the risks left out.

results

Bronchogen Results: Week-by-Week Timeline

Bronchogen has no human efficacy trials — so what drives the reported timelines? Rat COPD-model data and labeled community reports, week by week.

reconstitution

Bronchogen Reconstitution: 20mg Vial Mixing Chart

Bronchogen has no validated human concentration. See how community resources describe mixing the 20mg vial, plus syringe-unit math and storage rules.

Disclosure: we may earn affiliate commission from qualifying purchases. Educational information only — not medical advice.