Crystagen
Crystagen is a short synthetic peptide bioregulator composed of the amino acid sequence Glu-Asp-Pro, investigated for its role in immune system modulation and thymic function support. It has been studied in experimental models for its capacity to regulate T-cell differentiation, cytokine balance, and gene expression linked to immune homeostasis.
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Crystagen - Thymus Bioregulator & Immune Modulating Peptide
Description
Crystagen is a synthetic tripeptide bioregulator composed of the amino acid sequence Glu-Asp-Pro (EDP), designed to mimic endogenous regulatory peptides involved in immune homeostasis and thymic activity. It is studied for its capacity to modulate gene expression in immunocompetent cells and to support balanced lymphocyte differentiation in experimental models.
In preclinical research, Crystagen has been observed to stimulate T-cell maturation, regulate cytokine production, and enhance thymic epithelial function. These effects are attributed to its ability to interact with regulatory regions of DNA, influencing the transcription of genes associated with immune signaling and lymphoid tissue regeneration.
Additional studies have explored its antioxidant and cytoprotective properties, particularly in aged or immunocompromised animal models, where Crystagen appeared to restore impaired immune responses and improve resistance to infection-related stressors.
Supplied as a lyophilized powder for reconstitution, Crystagen is formulated for controlled laboratory use, offering stable composition and reproducible activity in experimental protocols focused on immunology and bioregulation research.
Clinical Status:
Crystagen is a research peptide evaluated in animal models and limited observational studies focused on immune modulation, thymic function, and age-related immunosenescence. It is not approved for medical use and remains restricted to experimental and laboratory research.
Evidence type:
Human RCT ☐ | Observational ✔ | Animal ✔ | In vitro ✔ | Regulatory ☐
Mechanism of Action
Crystagen works by penetrating cell and nuclear membranes, where it binds directly to specific regions of DNA and modulates the transcription of genes involved in immune regulation. This epigenetic activity influences the differentiation of T-lymphocytes, the expression of cytokines, and the maturation of thymic cells. Through these mechanisms, Crystagen supports immune homeostasis, restores balance between Th1 and Th2 responses, and enhances overall thymic-mediated immunoregulation in research models.
Benefits
- Thymic Function Support:
Crystagen has been investigated for its capacity to restore thymic activity, particularly in models of age-related thymic involution. Experimental studies suggest that EDP peptides stimulate the proliferation and maturation of thymic epithelial cells, supporting the production of functional T-lymphocytes. This action is considered central to its broader immunomodulatory profile and is a primary focus in research on immunosenescence. - T-Cell Differentiation and Maturation:
Research models indicate that Crystagen promotes the differentiation of CD4+ and CD8+ T-cell subsets, supporting balanced adaptive immunity. By modulating gene expression in lymphoid precursors, the peptide is reported to enhance the maturation of naïve T-cells and improve the functional readiness of the cellular immune response. This effect is particularly studied in contexts of immune aging and chronic immune dysregulation. - Cytokine Balance and Inflammation Modulation:
Crystagen has been observed to regulate the production of key cytokines, including IL-2, IFN-γ, and TNF-α, helping shift the immune environment toward homeostasis. By influencing the Th1/Th2 balance, it is investigated for its potential to dampen excessive inflammatory signaling while preserving effective immune responsiveness. This makes it a peptide of interest in research on chronic low-grade inflammation. - Innate Immunity Enhancement:
Beyond adaptive immunity, Crystagen is reported to support natural killer (NK) cell activity and phagocytic function of macrophages in experimental settings. These innate components form the first line of immune defense, and their modulation is studied as a contributor to overall immune resilience. Research models highlight this dual action on innate and adaptive arms as a distinguishing feature of EDP peptides. - Epigenetic Gene Regulation:
A defining feature of Crystagen is its proposed ability to interact directly with DNA regulatory regions, modulating transcription of immune-related genes. This epigenetic mechanism is investigated as the molecular basis for its long-lasting effects on lymphocyte populations and cytokine expression. Such activity positions Crystagen within the broader research field of peptide-based gene expression modulation. - Immune Recovery in Stress Models:
Crystagen has been studied in experimental models of immune suppression induced by stress, irradiation, or chemotherapy. Observations include partial restoration of lymphocyte counts and improved functional immune markers following peptide administration. These findings support its inclusion in research focused on recovery of compromised immune function in preclinical settings. - Age-Related Immune Decline Research:
The peptide is frequently investigated in the context of immunosenescence, where thymic atrophy and reduced T-cell diversity contribute to weakened immunity in aging models. Crystagen is reported to partially reverse markers of thymic decline and improve lymphocyte responsiveness, making it a candidate of interest in geroscience-oriented immune research. - Mucosal and Respiratory Immunity Support:
Experimental data suggest that Crystagen may influence mucosal immune defenses, including responses in the respiratory tract. Studies have explored its role in modulating local immunoglobulin production and inflammatory signaling in airway tissues. This area of research positions Crystagen as a peptide of interest for models examining barrier immunity and chronic respiratory immune dysregulation.
Research Data
| Study / Model | Reported effect |
|---|---|
| Aged murine immunosenescence model | ↑ T-lymphocyte proliferation and restored CD4/CD8 ratio toward youthful levels |
| In vitro human thymocyte culture | ↑ thymocyte differentiation markers and enhanced maturation signaling |
| Cyclophosphamide-induced immunosuppression in rats | Accelerated recovery of leukocyte counts and restored cytokine balance |
| Elderly human observational cohort | Normalization of IL-2 and interferon-gamma levels; improved immune indices |
| Irradiated animal model | ↑ thymic mass preservation and reduced lymphoid tissue atrophy |
| Cultured peripheral blood mononuclear cells | Modulated expression of immune-regulatory genes and transcription factors |
| Chronic infection animal model | ↓ inflammatory cytokine load; improved pathogen clearance markers |
Stack Suggestions
Crystagen is often combined in research with:
- Crystagen + Thymalin → Synergistic thymic peptide pairing supporting T-cell maturation and immune homeostasis.
- Crystagen + Epitalon → Combines immune regulation with telomerase activation for longevity-focused models.
- Crystagen + Vesugen → Supports vascular endothelial integrity alongside immune modulation.
- Crystagen + Pinealon → Pairs immune regulation with neuroprotective and cognitive research applications.
⚠ Stacks are for experimental design only; not safety or efficacy guidance.
Pen Dosage Chart
| Crystagen Pen 10 mg | |
| Volume | 2 mL |
| mg/mL | 5 mg/mL |
| Click-to-Dose | 1 click = 0.05 mg |
| Example(s) | 10 clicks = 0.5 mg |
Dosage & Protocols Variations
Standard Research Protocol
- Dose: 1 – 2 capsules (20 mg each)
- Duration: 2 – 4 weeks
- Frequency: Daily, before meals
- Cycle Interval: 4 – 6 weeks off before repeating
- Goal / Description: Baseline immune modulation and thymic support in research models.
Therapeutic Research Protocol
- Dose: 2 – 3 capsules (40 – 60 mg)
- Duration: 3 – 4 weeks
- Frequency: Daily, divided doses
- Cycle Interval: 2 – 3 months off before repeating
- Goal / Description: Higher-dose immune restoration in models of immunosuppression or chronic inflammation.
Biohacker Protocol (experimental)
- Dose: 1 capsule (20 mg)
- Duration: 6 – 8 weeks
- Frequency: Every other day
- Cycle Interval: 4 weeks off before repeating
- Goal / Description: Low-dose continuous protocol for longevity and immune-aging research.
Possible Side Effects
Crystagen is generally well-tolerated in preclinical and limited human observational studies.
Reported side effects are rare and mild:
- Transient local irritation at the administration site.
- Mild headache or fatigue during initial dosing periods.
- Occasional gastrointestinal discomfort in oral administration models.
- Slight fluctuations in immune cell counts during early adaptation.
No evidence of hormonal, hepatic, or systemic adverse effects has been observed in available data.
Product Attributes
- CAS #: N/A (peptide bioregulator)
- Molecular Formula: C12H19N3O7
- Sequence (AA): EDP
- Molecular Weight: 317.3 g/mol
- PubChem CID: N/A
- Half-Life: ~30-60 minutes
- Synonyms: Glu-Asp-Pro, EDP tripeptide, Thymus peptide bioregulator
- Type: Synthetic short-chain peptide bioregulator (Khavinson peptide)
- Research Focus: Immunity & Inflammation, Longevity & Cellular Regulation
Scientific References
- Geroprotective effects of short peptides on cell cultures of human bronchial epithelium In vitro | Animal
- Peptidergic regulation of immune system function Animal | In vitro
- Epigenetic aspects of peptidergic regulation of vascular endothelial cell proliferation In vitro
- Short cell-penetrating peptides as epigenetic regulators of gene expression In vitro | Animal
- Khavinson peptides and their role in immune homeostasis and aging Observational | Animal
- Peptide regulation of gene expression: a systematic review In vitro | Animal
- Thymic peptides and immunomodulation: experimental evidence Animal | Observational
Included In The Box
Every product arrives in a premium, custom-designed PEPTIDE.Power box, engineered for convenience, hygiene, and safe storage in your refrigerator. Inside, you will find everything needed for your full research protocol:
- 1× Disposable Pre-Mixed Injection Pen
- Powered by our proprietary PSM Technology™ – precision stabilization & mixing system for consistent potency
- 10× Ultra-thin Needles (33G, 4 mm)
- 10× Alcohol Pads for sterile preparation
- Internal Stabilizing Foam Insert to prevent shaking during transport
- Instruction Panel printed on the inside of the box for quick reference
- Security Seal Sticker ensuring the package has not been opened or tampered with
Storage
Store the product in a refrigerator at 1 – 8°C immediately upon delivery. To maintain optimal stability, keep the pen away from light, and do not expose it to repeated temperature changes.
Once reconstituted (all our pens come pre-mixed), research compounds remain stable for 6 – 8 weeks under proper refrigeration.
Do not freeze after reconstitution. Always keep the box closed so the pen, needles, and alcohol pads stay clean and protected.
For best results, use the product consistently within the recommended time window and always follow your research protocol.
Delivery
We ship with Next-Day EU Delivery via DHL Express or UPS Express.
All orders are prepared fresh on the day of dispatch, placed in EPS Cold-Chain Transport Boxes, and shipped with cooling elements to maintain a stable temperature throughout the journey.
Our logistics process is designed so the package arrives overnight, avoiding customs delays inside the European Union.
Products are shipped from our EU facility, ensuring no import duties, no customs clearance, and always fast and secure delivery.
Payment
Due to the nature of research peptides and the high-risk category assigned by payment processors, credit card companies do not generally support merchants in this field.
For this reason, we accept mainly Bank Transfers.
We also work with a crypto payment provider, and from time to time, card payments may be available depending on processor availability.
Within the European Union, SEPA transfers are fast, low-cost, and usually arrive within minutes to a few hours, making the payment process smooth and simple.
Once the transfer is received, your order is prepared immediately and dispatched the same day, depending on the daily cut-off time.
Please note that we do not dispatch shipments on Fridays or on days before official public holidays. This is done to ensure that parcels can be delivered on the next working day and are not held in transit over weekends or holidays.
This method ensures compliance, security, and continuity of service for all customers across the EU.
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