Thymosin Alpha-1
Original price was: $67.00.$55.00Current price is: $55.00.
In stock
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99.8% — exceeds 99.00% minimum spec
- Batch
- TA-202607-001
- Test date
- July 23, 2026
- Method
- HPLC + MS
- Lab
-
Bioviridian
College Station, TX
Description
Thymosin Alpha-1 (Tα1)
THIS IS NOT FOR HUMAN CONSUMPTION. SOLD FOR RESEARCH ONLY!
Thymosin Alpha-1 Peptide Details
Thymosin Alpha-1 (Tα1) is a 28-amino-acid peptide fragment derived from the prothymosin alpha protein, naturally produced by the thymus gland. It is one of the most extensively studied immune peptides in the research literature, with over four decades of published data exploring its role in modulating T-cell maturation, dendritic cell function, and cytokine signaling (including IL-2 and interferon pathways). Research has focused on its potential to support immune surveillance, restore immune balance in states of chronic immune suppression, and modulate inflammatory signaling during acute immune challenges. Because it acts on multiple arms of the innate and adaptive immune system rather than a single receptor, it is frequently referenced in studies of immune resilience, vaccine-response support, and recovery from immune-taxing conditions. Thymosin Alpha-1 is currently approved as a prescription therapeutic (marketed as Zadaxin) in a number of countries outside the U.S. for chronic hepatitis B/C and as an immune adjuvant, though in the U.S. research peptide market it is sold strictly for laboratory and research use.
Thymosin Alpha-1 Peptide Scientific Research
1. T-Cell Function and Differentiation Studies
Tα1 is commonly used to explore mechanisms of T-cell development, activation, and signaling. It has been shown to influence CD4+/CD8+ ratios and enhance effector responses in immunocompromised models.
2. Toll-Like Receptor (TLR) and Pattern Recognition Pathways
In vitro assays highlight Tα1's role in modulating TLR-mediated innate immune responses. It activates MyD88-dependent signaling, leading to upregulation of NF-κB and downstream cytokine expression.
3. Cytokine Modulation and Immune Balance
Thymosin Alpha-1 is utilized in research evaluating cytokine regulation, particularly IL-2, IFN-γ, and TNF-α. It has been shown to support immune balance in stress and inflammation models.
4. Antigen Presentation and APC Maturation
Experimental studies indicate enhanced dendritic cell maturation and increased expression of MHC class I and II molecules under Tα1 influence, supporting its use in antigen presentation and vaccine research paradigms.
5. Host Defense and Stress Response
Tα1 is employed in infection and immune-compromised models to examine its effect on restoring immune competence, supporting research into peptide-mediated resistance mechanisms and systemic resilience.
Article Titles & Journals
- Dual effect of Thymosin α 1 on human monocyte-derived dendritic cell in vitro stimulated w
- [Clinical effects of ulinastatin and thymosin alpha1 on immune-modulation in septic patien
- Thymosin alpha1: an endogenous regulator of inflammation, immunity, and tolerance.
- Modulatory role of thymosin-alpha-1 in normal bone-marrow haematopoiesis and its effect on
- Thymosin alpha-1.
Fast, reliable shipping
We offer fast, reliable shipping through UPS and USPS.
Shipping Options
UPS shipping options include:
- Next Day Air
- 2nd Day Air
- 3 Day Select
- UPS Ground
Order Processing
- We ship Monday through Saturday.
- Orders placed before 6:00 PM EST / 3:00 PM PST are typically shipped the same day.
- Orders placed after the daily cutoff or on holidays will be processed on the next available shipping day.
Puerto Rico, Hawaii & Alaska
- Orders shipping to these destinations are sent via USPS unless alternative arrangements have been made in advance.
- Need a different shipping method? Contact us before placing your order so we can discuss available options.
Order Tracking
- Once your order has shipped, you'll receive a shipping confirmation email with tracking information so you can monitor your delivery.
- Orders totaling $200 or more qualify for FREE UPS 2nd Day Air shipping within the continental United States.
- Free 2nd Day Air shipping does not apply to orders shipping to Puerto Rico, Hawaii, or Alaska.
Handled correctly, stability holds
All peptides are supplied as sterile, lyophilized powder and are stable when handled correctly.
Store vials in a cool, dry place away from heat and direct sunlight.
For optimal longevity, keep lyophilized peptides refrigerated to help maintain integrity.
Use an appropriate research diluent (for example, BAC water). Store the reconstituted solution in the refrigerator and use within 20–30 days for best stability.
Minimize exposure to moisture and repeated freeze–thaw cycles. Follow your institution's safety procedures when handling research materials.
Frequently Asked Questions
PRODUCT & PURITY
This product is offered for laboratory and research use only. It is not intended for human consumption, medical use, therapeutic use, or veterinary use.
Yes, all of our products are sterile and sealed with a sterility plug and safety cap.
Our products undergo quality control internally at our lab and then 3rd party tested at Bioviridian (at their Texas facility) prior to shipment. All of our COA's are then posted on our site immediately upon receipt.
99% or higher. Period. The expected purity is listed on the individual product page or Certificate of Analysis, when available.
No. We are a manufacturing company and because these products are sold for research purposes only, we do not provide dosing, administration, or medical-use guidance.
Unless specifically stated otherwise, these products are not approved by the U.S. Food and Drug Administration for therapeutic or diagnostic use.
STORAGE & STABILITY
As a lyophilized powder, peptides are stable. Delays in shipments up to 7 days will have zero to minimal impact on efficacy of peptides. Most precautionary efforts must be made to maintain temperature consistency once reconstituted.
Store the product according to the storage recommendations provided on the label or accompanying documentation in your shipment. Proper storage helps maintain product integrity during its shelf life. Most peptides have an expiration date of 2 years if kept unreconstituted (lyophilized powder).
SHIPPING
Shipping times vary based on your location and the shipping method selected at checkout. We offer shipping options between 1 and 5 days.
No.
Once your order is processed, you will receive a shipping confirmation email with tracking information.
ORDERS
Each order includes the peptide vial as described on the product page above.
We accept all forms of credit cards and Zelle.
If your order has not yet been processed for shipment, we may be able to make changes. Please contact customer support as soon as possible after placing your order.
If your order arrives damaged or incorrect, contact our customer support team promptly at support@peaklabpeptides.com with your order number and photos of the package and product so we can assist you.
For the safety of our researchers and integrity of our products we can not accept returns whatsoever.
SUPPORT
If you have questions about your order or a product, please reach out through our customer support page or contact us at support@peaklabpeptides.com or call/text 605-524-2800.
Purity you can verify
TESTED
VERIFICATION
Peak Lab Peptides maintains quality-control processes and routinely performs third-party testing to support purity and identity verification. COAs are available upon request for applicable batches. Documentation may vary depending on production timelines.
AVAILABILITY
We aim to make batch-level documentation available whenever possible. Our goal is to expand COA access across the full catalog as production capacity grows.
All products are for laboratory research use only and are not intended for human consumption.
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- Form: Lyophilized powder
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- Grade: For research purposes only. Not for human consumption, therapeutic, or diagnostic use.
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For laboratory research only. This product is not intended to diagnose, treat, cure, or prevent any disease.
KPV 10-Vial Kit
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Peptide Storage Case (3ml x 8, 10ml x 1) — Hard Shell Protective Organizer
Keep your research materials organized, protected, and ready for use.
This hard shell peptide storage case is designed to securely hold up to 8 standard 3ml vials and 1 larger 10ml vial, with a precision-fit interior that keeps everything in place during transport or storage.
The compact, durable design makes it ideal for both at-home organization and on-the-go use, while the structured interior prevents movement, tipping, or contact between vials.
Key Features:
- Custom-fit layout: Holds 8 × 3ml vials + 1 × 10ml vial
- Hard shell exterior: Durable, impact-resistant protection
- Secure closure: Keeps contents safely contained
- Precision interior insert: Minimizes movement and vibration
- Compact & travel-friendly: Easy to store or carry
Built for reliability and clean organization, this case helps maintain a professional and efficient research setup.
Important:
- For research use only. Not for human consumption.
- Vials not included