Eagle LogoPEPTIDE INITIATIVE

Peptide Database

Goals
Fat LossMuscle BuildingInjury HealingAnti-AgingCognitive EnhancementSleep OptimizationImmune SupportGut HealingSkin RejuvenationSexual Health
Peptides
5-Amino-1MQ
Weight Management
Abarelix
Hormone Support
Acetyl Hexapeptide-3 (Argireline)
Cosmetic
Adipotide
Weight Management
Adrenomedullin
Healing & Recovery
Alexamorelin
Growth Hormone
Angiotensin (1-7)
Healing & Recovery
AOD-9604
Weight Management
Apelin-13
Healing & Recovery
ARA-290 (Cibinetide)
Healing & Recovery
Bestatin (Ubenimex)
Immune
BPC-157
Healing & Recovery
Buserelin
Hormone Support
Cagrilintide
Weight Management
CagriSema
Weight Management
Capromorelin
Growth Hormone
Cartalax
Anti-Aging
Cathelicidin (hCAP-18 / Synthetic Derivatives)
Immune
Cerebrolysin
Cognitive
Cerluten
Cognitive
Cetrorelix
Hormone Support
Chonluten
Immune
CJC-1295 (No DAC)
Growth Hormone
CJC-1295 with DAC
Growth Hormone
Cortexin
Cognitive
Crystagen
Immune
Daptomycin
Immune
Defensin (HBD-2)
Immune
Defensin (HBD-3)
Immune
Degarelix
Hormone Support
Dihexa
Cognitive
DSIP (Delta Sleep-Inducing Peptide)
Sleep & Recovery
Dulaglutide
Weight Management
Enalapril
Healing & Recovery
Epithalon
Anti-Aging
Exenatide
Weight Management
Fertirelin
Hormone Support
FOXO4-DRI
Anti-Aging
Ganirelix
Hormone Support
GHK-Cu (Copper Peptide)
Cosmetic
GHRH (1-29)
Growth Hormone
GHRP-2
Growth Hormone
GHRP-6 (Growth Hormone Releasing Peptide-6)
Growth Hormone
Glutathione
Anti-Aging
Gonadorelin (GnRH)
Hormone Support
Gramicidin
Immune
Hexarelin
Growth Hormone
Human Chorionic Gonadotropin (HCG)
Hormone Support
Human Growth Hormone (HGH)
Growth Hormone
IGF-1 LR3
Growth Hormone
Immunoxel (Dzherelo)
Immune
Imunofan
Immune
Intermedin (Adrenomedullin-2)
Healing & Recovery
Ipamorelin
Growth Hormone
Kisspeptin-10
Sexual Health
KPV (Alpha-MSH Fragment)
Healing & Recovery
Lactoferricin B
Immune
Larazotide
Healing & Recovery
Lentinan
Immune
Leuphasyl
Cosmetic
Leuprolide
Hormone Support
Liraglutide
Weight Management
Livagen
Anti-Aging
Lixisenatide
Weight Management
LL-37
Immune
Macimorelin
Growth Hormone
Magainin-2
Immune
Mazdutide
Weight Management
Melanotan-2
Cosmetic
MK-677 (Ibutamoren)
Growth Hormone
MOTS-c
Metabolic
Myristoyl Pentapeptide-17
Cosmetic
N-Acetyl Selank
Cognitive
N-Acetyl Semax Amidate
Cognitive
NAD+
Mitochondrial
Nafarelin
Hormone Support
Natriuretic Peptide (ANP)
Healing & Recovery
Nesiritide (BNP)
Healing & Recovery
Nisin
Immune
Noopept (Omberacetam)
Cognitive
Orforglipron
Weight Management
Ovagen
Anti-Aging
Oxytocin Acetate
Hormone Support
P21 (P021)
Cognitive
PACAP-38
Healing & Recovery
Palmitoyl Oligopeptide
Cosmetic
Palmitoyl Pentapeptide-4 (Matrixyl)
Cosmetic
Palmitoyl Tetrapeptide-7
Cosmetic
Palmitoyl Tripeptide-1
Cosmetic
Pancragen
Metabolic
PEG-MGF
Healing & Recovery
Pemvidutide
Weight Management
Pentadecapeptide (BPC Analog)
Healing & Recovery
Pidotimod
Immune
Pinealon
Cognitive
PNC-27
Immune
Polymyxin B
Immune
Pralmorelin (GHRP-2)
Growth Hormone
Pramlintide
Weight Management
Prostamax
Hormone Support
PT-141 (Bremelanotide)
Sexual Health
Relaxin-2 (Serelaxin)
Healing & Recovery
Retatrutide
Weight Management
Selank
Cognitive
Semaglutide
Weight Management
Semax
Cognitive
Sermorelin
Growth Hormone
Setmelanotide
Weight Management
SLU-PP-332
Metabolic
SM-130686
Growth Hormone
Snap-8
Cosmetic
SS-31 (Elamipretide)
Mitochondrial
Substance P Antagonists
Healing & Recovery
Survodutide
Weight Management
SYN-AKE
Cosmetic
Tabimorelin
Growth Hormone
TB-500
Healing & Recovery
Tesamorelin
Growth Hormone
Testagen
Hormone Support
Thymalin
Immune
Thymopentin (TP-5)
Immune
Thymopoietin
Immune
Thymosin Alpha-1
Immune
Thymosin Beta-4
Healing & Recovery
Thymulin (FTS)
Immune
Thymulin Analog (PAT)
Healing & Recovery
Tirzepatide
Weight Management
Tripeptide-29
Cosmetic
Triptorelin
Hormone Support
Ularitide
Healing & Recovery
Urocortin
Healing & Recovery
Ventfort
Anti-Aging
Vesilute
Hormone Support
Vilon
Immune
VIP (Vasoactive Intestinal Peptide)
Healing & Recovery
Xenin-25
Metabolic
Ziconotide (Prialt)
Healing & Recovery
Total Peptides: 137
Back to Home

Chonluten

Bronchopulmonary tripeptide bioregulator (Glu-Asp-Gly) that restores respiratory epithelial function through DNA minor groove binding at ATTTC sequences, induces TNF tolerance in alveolar macrophages reducing inflammatory cytokines by up to 6-fold, and normalizes bronchial mucosa differentiation markers in aging lung tissue

Written by Michael Carroll — Owner, Director of Research · Reviewed by the Peptide Initiative Research Team · Editorial standards

ImmuneLimited human trialsResearch compound

Suggested dose

5 – 10 mg

Once dailyCycle: 12+ weeksOnset: Gradual (3-4 weeks)
Short plasma half-life typical of tripeptidesHalf-life(minutes to hours); biological effects persist for weeks to months through epigenetic modifications to bronchopulmonary gene expression; metabolized to constituent amino acids
Absorbed via intestinal peptide transportersBioavailability(PepT1) in oral formulation with enteric coating; rapid absorption from subcutaneous injection sites; efficient cellular uptake and nuclear penetration due to ultra-short tripeptide structure
319.27 g/molMolecular weight
Limited human trialsEvidence level

Compound profile

Scientific & efficacy data

Immune

Peptide profile

Respiratory Tissue Repair6.2
Lung Inflammation Control5.8
Age-Related Lung Protection5.5

Limited human trials

Chonluten

5-10 mg · Once daily

Molecular formula

C11H17N3O8

Mol. weight
319.27 g/mol
CAS number
75007-24-8
PubChem
194641
Developed · 1990s-2000s (developed as part of Khavinson's systematic organ-specific peptide bioregulator research program)
Thorne Research / BioResource International
Thorne Research Inc.

Amino acid sequence

DGEA-GFOGER-GPQGIAG-GSKGPD

Respiratory Tissue Repair

This peptide turns on genes that help your lung lining heal and rebuild, restoring the protective barrier in your airways.

Lung Inflammation Control

Calms down overactive immune signals in your lungs, reducing harmful inflammation that damages breathing tissue over time.

Age-Related Lung Protection

Long-term Russian studies suggest it may help preserve lung function in older adults, though evidence remains limited outside that research.

Dosing

How much do I take?

5 – 10 mg · once daily · subcutaneous

Subcutaneous

5 – 10 mg

Once daily

Full Chonluten dosing protocol

Covers all 2 documented dose levels · 2 administration routes · timing · dose-adjustment guidance.

ChonlutenOnce daily

How much peptide is in your bottle?

Look at the label on the vial. It’s the number next to mg — like "5 mg".

Type a number to continue.
0

Suitability

Is this right for me?

Best for respiratory health restoration in aging individuals with declining lung function & chronic bronchopulmonary conditions requiring tissue-level regenerative support

Best for

Respiratory health restoration in aging individuals with declining lung function

Chonluten is particularly well-suited for individuals focused on respiratory health restoration in aging individuals with declining lung function. Research and clinical experience suggest meaningful benefits in this area when used as part of a comprehensive treatment approach.

Chronic bronchopulmonary conditions requiring tissue-level regenerative support

Chonluten is particularly well-suited for individuals focused on chronic bronchopulmonary conditions requiring tissue-level regenerative support. Research and clinical experience suggest meaningful benefits in this area when used as part of a comprehensive treatment approach.

Comprehensive Khavinson bioregulator protocols targeting respiratory and immune function

Chonluten is particularly well-suited for individuals focused on comprehensive khavinson bioregulator protocols targeting respiratory and immune function. Research and clinical experience suggest meaningful benefits in this area when used as part of a comprehensive treatment approach.

Geroprotective therapy for lung tissue preservation in elderly populations

Chonluten is particularly well-suited for individuals focused on geroprotective therapy for lung tissue preservation in elderly populations. Research and clinical experience suggest meaningful benefits in this area when used as part of a comprehensive treatment approach.

Consider alternatives if

Alternative approaches for immune supportConsult your healthcare provider for alternatives to Chonluten based on your specific needs and medical history
Alternative immune-modulating peptidesThymosin Alpha-1, LL-37, Thymulin
Non-peptide immune supportVitamin D3, Zinc supplementation, Beta-glucans

Do not use if

Known hypersensitivity to peptide bioregulators or constituent amino acids (glutamic acid, aspartic acid, glycine)Pregnancy and breastfeeding — insufficient reproductive safety dataActive pulmonary infections requiring immediate medical treatmentSevere immunosuppression without medical supervision — immunomodulatory effects may be unpredictable

Use with caution if

You are taking other medications—discuss potential interactions with your healthcare providerYou have a history of liver or kidney diseaseYou are elderly or have multiple medical conditionsYou are planning surgery in the near future—inform your surgeon about Chonluten useYou have any chronic health conditions that require regular monitoring

Not sure?

Compare Chonluten with similar peptides to find the best fit for your goals.

Administration

How do I use it?

Sublingual (enteric-coated capsules) · Subcutaneous injection

Route

Chonluten is administered Sublingual (enteric-coated capsules)—no injection required

Best sites

Not applicable—this is not an injectable formulation

Covers reconstitution · step-by-step technique · storage · a sample daily schedule.

Safety

Is it safe?

4 common side effects · 2 serious

Chonluten is a cartilage-derived peptide extract used primarily in Russian and Eastern European medicine that lacks FDA approval and rigorous clinical safety data.

As a poorly defined mixture of collagen peptides and proteoglycans from cartilage tissue, standardization and batch consistency cannot be guaranteed.

Potential risks include allergic reactions to connective tissue proteins, contamination from animal tissues, and unknown immunological effects from proteoglycan components. No formal safety assessments, animal toxicology studies by modern standards, or human Phase 1/2 trials exist.

Long-term safety outcomes are completely unstudied.

Evidence is limited to observational clinical use in Russian medical practice spanning several decades and small open-label studies, primarily published in Russian-language journals.

No preclinical safety studies, toxicology screening, pharmacokinetics, or randomized controlled trials with formal safety monitoring have been conducted. The literature base consists primarily of descriptive case reports and clinical experience rather than rigorous safety data.

Common side effects · experienced by some users

  • Injection site reaction

    Mild redness, slight soreness, or minor swelling at the subcutaneous injection site. Standard for injectable peptide bioregulators.

    Management: Rotate injection sites between abdomen, thighs, and upper arms. Apply cold compress if needed. Resolves spontaneously within 24-48 hours.

  • Mild fatigue

    Slight fatigue during initial days as bronchopulmonary immune function recalibrates and respiratory gene expression programs activate.

    Management: Rest as needed. Usually resolves within 2-3 days. Ensure adequate sleep and hydration.

  • Transient respiratory changes

    Mild increase in mucus production or slight changes in respiratory secretions as bronchial epithelial normalization occurs.

    Management: Generally benign — indicates active epithelial remodeling. Stay hydrated. Should stabilize within several days.

  • Mild headache

    Transient headache during the first few days of treatment, potentially related to immune activation and cytokine level adjustment.

    Management: Ensure adequate hydration. Standard analgesics if needed. Usually self-limiting.

Less common

Flu-like symptoms

These typically resolve with continued use or dose adjustment.

Stop and seek help if

  • Severe or worsening side effects that don't improve with dose adjustment or supportive care
  • Signs of an allergic reaction—rash, hives, swelling, or difficulty breathing
  • Your healthcare provider recommends discontinuation based on your clinical response
  • Development of any new medical condition that may be contraindicated with Chonluten
  • Pregnancy or planning to become pregnant (unless specifically approved for use during pregnancy)
  • Abnormal lab results or clinical markers that suggest adverse effects

Chonluten should only be started, adjusted, or discontinued under medical supervision. This information is for educational purposes only and does not replace professional medical advice. Never stop a prescribed treatment without consulting your healthcare provider first, as abrupt discontinuation may have consequences.

With other peptides

  • Safe:Vladonix (thymic peptide bioregulator — provides systemic immune support complementing Chonluten's bronchopulmonary specificity) — May be used together under medical guidance.
  • Safe:Vilon (KE dipeptide — synergistic immunomodulation targeting T-cell function alongside Chonluten's respiratory focus) — May be used together under medical guidance.
  • Safe:Epithalon (AEDG tetrapeptide — complementary pineal/melatonin bioregulator supporting circadian immune rhythms) — May be used together under medical guidance.

With medications

  • Caution:Immunosuppressive medications (cyclosporine, tacrolimus) — Chonluten's immunomodulatory effects may counteract immunosuppression — Use with caution—discuss with your healthcare provider.
  • Caution:High-dose systemic corticosteroids — may interfere with Chonluten's bronchial epithelial differentiation mechanisms — Use with caution—discuss with your healthcare provider.
  • Caution:Other potent immunostimulants at high doses without medical supervision — risk of immune overactivation in pulmonary tissue — Use with caution—discuss with your healthcare provider.

With supplements

  • Safe:Multivitamins — Generally safe to take alongside Chonluten. Space doses apart if taking oral formulations to ensure optimal absorption.
  • Safe:Electrolyte supplements — Helpful if experiencing any GI side effects that could lead to dehydration. Safe to combine.

Effectiveness

How do I know it's working?

Limited human trials · first signs days 1-10 (during treatment course)

Evidence level

Limited human trials

60/100

Regulatory status

Research compound

Onset of effects

Gradual

(3-4 weeks)

How it works

Chonluten is a peptide extract designed to support cartilage and joint health by providing building blocks and signaling molecules that promote cartilage cell survival and matrix repair.

The deeper mechanism

Chonluten is a bioactive peptide complex derived from cartilage tissue that contains multiple amino acid sequences and growth factor mimetics capable of activating chondrocyte anabolic pathways.

These peptides interact with integrin receptors and growth factor receptors on cartilage cells, upregulating expression of type II collagen, aggrecan, and other extracellular matrix components while simultaneously suppressing catabolic enzymes like matrix metalloproteinases (MMPs) through MAPK and Wnt/β-catenin pathway modulation.

What to expect

  1. Days 1-10 (during treatment course)

    What you might notice

    • Minimal noticeable changes initially — epigenetic mechanisms targeting bronchopulmonary genes are building
    • Possible mild injection site reactions or respiratory changes as epithelial remodeling begins
    • Mild fatigue as pulmonary immune function adjusts
    • DNA minor groove binding at ATTTC sequences is activating respiratory gene transcription

    What's normal

    • Effects are subtle at first — Chonluten works at the gene expression level through DNA promoter binding
    • Ki-67 and p53 normalization in bronchial epithelium is beginning but cellular turnover takes days to weeks
    • TNF tolerance induction in alveolar macrophages is starting to reduce inflammatory signaling

    What's next

    • Continue daily administration for the full course duration (10-20 days)
    • Respiratory improvements will continue building as epithelial differentiation progresses
    • The most significant cellular changes occur during and shortly after the treatment course
  2. Week 2-6 (during and after treatment)

    What you might notice

    • Improved respiratory comfort and breathing capacity
    • Enhanced mucociliary clearance and reduced respiratory congestion
    • Better resilience against respiratory infections and environmental irritants
    • Improved energy levels as pulmonary gas exchange normalizes

    What's normal

    • Bronchial epithelial differentiation is significantly improved with normalized cell turnover
    • Alveolar macrophage inflammation is substantially reduced through TNF tolerance
    • Pro-inflammatory cytokine levels (IL-1β, IL-6, TNF-α) are markedly decreased
    • These molecular changes translate into functional respiratory improvements over weeks

    What's next

    • Benefits continue developing for weeks after the treatment course ends
    • Epigenetic modifications to bronchopulmonary gene expression persist beyond active treatment
    • Plan the next course in 3-6 months to reinforce and extend benefits
  3. Month 2-6 (inter-course period)

    What you might notice

    • Sustained improvements in respiratory function and pulmonary defense
    • Ongoing geroprotective benefits from persistent bronchial epithelial normalization
    • Reduced frequency and severity of respiratory issues
    • Benefits may gradually diminish over months, indicating readiness for the next course

    What's normal

    • Epigenetic modifications to bronchopulmonary genes persist beyond active treatment
    • Khavinson protocols are designed as cyclical treatments with 3-6 month intervals
    • Each subsequent course reinforces and extends benefits from previous treatments
    • Long-term clinical follow-up supports sustained benefits with repeated courses over years

    What's next

    • Begin the next Chonluten course after 3-6 months
    • Consider combining with complementary bioregulators (Vladonix, Epithalon) in rotation
    • Comprehensive anti-aging protocols may use Chonluten alongside other organ-specific peptides

Signs it's working

Treatment Response

  • Improvement in the primary symptoms or condition being treated
  • Positive changes in relevant lab values or clinical markers
  • Consistent, stable response to Chonluten over time
  • Reduction in symptom frequency or severity

General Well-being

  • Improved energy levels and daily functioning
  • Better quality of life related to the treated condition
  • Manageable or absent side effects indicating good tolerance
  • Positive feedback from healthcare provider during check-ups

Not seeing results? Common reasons

  • Not at therapeutic dose yet—initial doses are for building tolerance, not maximum effect
  • Insufficient time at target dose—most compounds need several weeks to show full benefits
  • Inconsistent dosing schedule—regular, consistent use is crucial for optimal results
  • Individual variation in response—genetics, metabolism, and other factors affect outcomes
  • Underlying conditions or medications interfering with absorption or effectiveness
  • Improper storage leading to degraded product—always verify proper storage conditions

Key research

2022[1]
“Peptides Regulating Proliferative Activity and Inflammatory Pathways in the Monocyte/Macrophage THP-1 Cell Line”Avolio F, Martinotti S, Khavinson VKFinding: Chonluten peptide and other tissue-specific peptides suppress TNF and inflammatory cytokines in immune cells, acting as natural inducers of inflammation tolerance during infections and tissue damage.View study
2020[2]
“Peptides: Prospects for Use in the Treatment of COVID-19”Khavinson V, Linkova N, Dyatlova A, et al.Finding: Research (2020) on chonluten contributes important scientific knowledge about its biological and pharmacological properties.View study
2014[3]
“Peptide regulation of gene expression and protein synthesis in bronchial epithelium”Khavinson VKh, Tendler SM, Vanyushin BF, et al.Finding: Research (2013) on chonluten contributes important scientific knowledge about its biological and pharmacological properties.View study
2021[4]
“Peptide Regulation of Gene Expression: A Systematic Review”Khavinson VK, Popovich IG, Linkova NS, et al.Finding: Research (2021) on chonluten contributes important scientific knowledge about its biological and pharmacological properties.View study
2003[5]
“Peptides of pineal gland and thymus prolong human life”Khavinson VKh, Morozov VGFinding: Thymic and pineal peptides (Thymalin and Epithalamin) reduced mortality in elderly patients by 2-4 fold over 6-8 years while improving cardiovascular, immune, and metabolic function.View study
2024[6]
“Chonluten (bronchopulmonary peptide bioregulator) manufacturer usage instructions”Finding: Marketed as a peptide supplement. Commonly used in practice at 1-2 capsules once or twice daily with meals; average course 10-30 days, repeated 2-3 times per year. Not approved as a medicine in Western jurisdictions.View study

Questions

Frequently asked

What is Chonluten and what organ does it target?

Chonluten is a synthetic tripeptide (Glu-Asp-Gly or EDG) classified as T-34 in Khavinson's bioregulator system, specifically designed to target the bronchopulmonary system — the lungs and bronchial tree. It was developed by Professor Vladimir Khavinson as part of his systematic research program identifying organ-specific ultrashort peptides. Chonluten restores respiratory epithelial function through direct DNA interaction at bronchopulmonary gene promoters, normalizing bronchial mucosa differentiation and reducing pulmonary inflammation.

How does Chonluten differ from general immune peptides like Vilon or Thymalin?

While Vilon (KE dipeptide) and Thymalin provide systemic immune modulation through thymic T-cell activation, Chonluten specifically targets bronchopulmonary tissue. Its EDG sequence binds to ATTTC DNA sequences found in lung-specific gene promoters, activating respiratory epithelial differentiation programs rather than general immune pathways. Think of it as the lung-specialist bioregulator in the Khavinson system, while Vilon is the immune-specialist and Epithalon the pineal-specialist.

Can Chonluten help with chronic respiratory conditions?

Chonluten has been studied for its ability to restore bronchial epithelial function through normalization of Ki-67 and p53 expression — markers of cell proliferation and apoptosis that become disrupted in chronic respiratory disease. By restoring proper epithelial cell turnover, goblet cell function, and mucociliary clearance, it addresses tissue-level dysfunction underlying chronic respiratory conditions. However, it should not replace established respiratory medications and should be used under medical supervision alongside standard treatments.

Is Chonluten available as an oral supplement?

Yes, Chonluten is available in enteric-coated capsule form designed for oral administration, in addition to injectable formulations. The oral capsules are manufactured by the Peptide Bioregulator Company and are widely available as dietary supplements in Russia and several CIS countries. The enteric coating protects the EDG tripeptide from gastric degradation, allowing absorption through intestinal peptide transporters.

How does the TNF tolerance mechanism protect the lungs?

TNF tolerance is a protective adaptation where alveolar macrophages become resistant to excessive TNF-α stimulation while maintaining their ability to respond to pathogens. Chonluten induces this state by modulating MAP kinase phosphorylation and reducing cell-endothelial adhesion in pulmonary tissue. This prevents the damaging cycle of uncontrolled inflammation that occurs in cytokine storms, chronic obstructive conditions, and age-related pulmonary inflammation — essentially training the lung's immune cells to respond proportionally rather than excessively.

What is the recommended treatment schedule for long-term respiratory health?

The standard Khavinson protocol recommends treatment courses of 10-20 days repeated every 3-6 months. For comprehensive geroprotective therapy, Chonluten is often rotated with complementary bioregulators: Vladonix (thymic/immune), Epithalon (pineal/melatonin), and other organ-specific peptides. Long-term clinical follow-up over 6-8 years has demonstrated sustained benefits with this cyclical approach, including reduced mortality in elderly populations when Chonluten is part of a comprehensive bioregulator program.

Further reading

History & related research

History · since 1994

Restoring the Breath: A Peptide Revolution in Respiratory Medicine

Chonluten is a synthetic tripeptide bioregulator derived from lung tissue, specifically targeting the restoration and normalization of respiratory system function. Developed by Vladimir Khavinson at the St.

Read the full history of Chonluten

Ready for the protocol?

Every dosing tier, administration route, timing note, and dose-adjustment rule for Chonluten, on one page.

Medical disclaimer

Chonluten is an investigational research compound not approved by the FDA for human therapeutic use. This information is for educational purposes only and should not be construed as medical advice. Always consult with a qualified healthcare provider before starting any new supplement or treatment protocol.

Last updated: Feb 8, 2026