Thymosin Alpha-1
Thymosin Alpha-1ย is a synthetic version of a naturally occurring peptide from prothymosin alpha, studied extensively for its immunomodulatory properties and potential to enhance both innate and adaptive immunity in research models for viral infections, cancer, and inflammation.2
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Thymosin Alpha-1 (Tฮฑ1) is a synthetic version of a naturally occurring peptide derived from prothymosin alpha, a protein found in the thymus gland. Tฮฑ1 is studied extensively for its immunomodulatory properties and its potential to regulate innate and adaptive immunity. It has shown promise in research involving immune system enhancement, viral infections, cancer immunotherapy, and inflammation-related diseases.
โ Form: Lyophilized peptide
โ Purity: โฅ99%
โ Origin: Manufactured and tested in the USA
โ Certifications: Certificate of Analysis (COA) included with every order
Thymosin Alpha-1 influences the immune response by:
โ Enhancing T-cell maturation and differentiation
โ Promoting the activity of natural killer (NK) cells
โ Increasing expression of MHC class I molecules
โ Modulating cytokine release (e.g., IFN-ฮณ, IL-2)
โ Supporting anti-viral and anti-tumor immune surveillance
โ Immunodeficiency modeling
โ Viral infection research (HBV, HCV, influenza, HIV)
โ Cancer immunotherapy support studies
โ Autoimmune disease investigation
โ Cytokine response and modulation analysis
โ Broad immunomodulatory effects in both innate and adaptive immunity
โ Extensively documented in translational and preclinical models
โ High stability and purity for experimental accuracy
โ Versatile use across infectious disease and immuno-oncology studies
Each vial is:
โ Manufactured in a GMP-compliant U.S. facility
โ Accompanied by a Certificate of Analysis (COA)
โ Subjected to HPLC and mass spectrometry verification
โ Shipped from within the United States for quality control
โ Contents: 5mg, 10, 50mg of lyophilized Thymosin Alpha-1 peptide
โ Appearance: White/off-white powder
โ Solubility: Sterile bacteriostatic water or acetic acid recommended
โ Storage: Store lyophilized vial at -20ยฐC; reconstituted solution stable up to 30 days when refrigerated
*For laboratory research use only. Not intended for human or veterinary use.*
โ This product is sold for research purposes only
โ Not for human consumption, injection, or diagnostic procedures
โ Must be handled by qualified professionals in accordance with institutional and governmental safety guidelines
Thymosin Alpha-1 (Tฮฑ1) is a synthetic version of a naturally occurring peptide fragment derived from prothymosin alpha. It is primarily studied for its immune-modulating properties, particularly in models related to T-cell activation and response to infection or immunosuppression.
Thymosin Alpha-1 works by enhancing the function of T cells and dendritic cells, which are crucial for immune surveillance. It promotes cytokine production, supports antigen presentation, and has been studied for its potential role in immune restoration during viral infections, cancer models, and sepsis.
Our Thymosin Alpha-1 is available as a lyophilized powder in sterile, single-use vials. Manufactured in the USA, each batch undergoes rigorous lab testing to meet the highest standards of purity and research integrity.
Store lyophilized Thymosin Alpha-1 at -20ยฐC in a dry, light-protected environment. After reconstitution, it should be kept refrigerated at 2โ8ยฐC and used within your labโs specified timeframe.
Our Thymosin Alpha-1 is โฅ98% pure, verified by HPLC and Mass Spectrometry. Every order comes with a Certificate of Analysis (COA) to confirm identity, sterility, and batch-specific quality.
Yes. Although our packaging protects stability during shipping, cold-chain shipping is available on request for sensitive or large-scale orders.
In research models, Thymosin Alpha-1 is sometimes studied in combination with immune checkpoint inhibitors or antiviral compounds. All research use must comply with appropriate protocols and sterile handling practices.
Visit our Lab Test Results page, select Thymosin Alpha-1, and enter your email to instantly receive the batch-specific COA for your order.
We delivers โฅ98% purity, U.S.-based manufacturing, and verified lab testing. Every order includes a COA and is backed by our Price Match Guaranteeโfind comparable quality for less, and weโll match it. Your research deserves nothing less than precision and trust.
Thymosin Alpha-1 (5 mg Vial) Dosage Protocol
Quickstart Highlights
Thymosin Alpha-1 (Tฮฑ1) is a 28โamino acid peptide originally isolated from the thymus gland, recognized for its broad immunomodulatory properties[1]. It has been investigated as an immune enhancer in chronic viral infections (hepatitis B/C, HIV/AIDS) and critical illness (sepsis, COVID-19)[2][3]. This educational protocol presents a onceโdaily subcutaneous approach using a practical dilution for clear insulinโsyringe measurements.
- Reconstitute: Add 3.0 mL bacteriostatic water โ ~1.67 mg/mL concentration.
- Typical daily range: 300โ500 mcg once daily (gradual titration).
- Easy measuring: At 1.67 mg/mL, 1 unit = 0.01 mL โ 16.7 mcg on a Uโ100 insulin syringe.
- Storage: Lyophilized: refrigerate at 2โ8 ยฐC (35.6โ46.4 ยฐF) or freeze at โ20 ยฐC (โ4 ยฐF); after reconstitution, refrigerate and use within 7 days.
Dosing & Reconstitution Guide
Educational guide for reconstitution and daily dosing
Standard / Gradual Approach (3 mL = ~1.67 mg/mL)
| Week | Daily Dose (mcg) | Units (per injection) (mL) |
|---|---|---|
| Week 1 | 300 mcg (0.3 mg) | 18 units (0.18 mL) |
| Weeks 2โ8 | 500 mcg (0.5 mg) | 30 units (0.30 mL) |
Frequency: Inject once daily subcutaneously. This 8โweek protocol begins at 300 mcg to assess tolerance, then increases to a maintenance dose of 500 mcg daily from Week 2 onward. The 500 mcg daily dose yields ~3.5 mg/week, consistent with clinical dosing ranges[4][5]. Treatment durations of 8โ16 weeks are commonly reported in literature.
Reconstitution Steps
- Draw 3.0 mL bacteriostatic water with a sterile syringe.
- Inject slowly down the vial wall; avoid foaming.
- Gently swirl/roll until dissolved (do not shake).
- Label with reconstitution date and refrigerate at 2โ8 ยฐC (35.6โ46.4 ยฐF), protected from light.
Supplies Needed
Plan based on an 8โ16 week daily protocol with gradual titration.
- Peptide Vials (Thymosin Alpha-1, 5 mg each):
- 8 weeks โ 6 vials
- 12 weeks โ 9 vials
- 16 weeks โ 12 vials
- Insulin Syringes (Uโ100):
- Per week: 7 syringes (1/day)
- 8 weeks: 56 syringes
- 12 weeks: 84 syringes
- 16 weeks: 112 syringes
- Bacteriostatic Water (10 mL bottles): Use ~3.0 mL per vial for reconstitution.
- 8 weeks (6 vials): 18 mL โ 2 ร 10 mL bottles
- 12 weeks (9 vials): 27 mL โ 3 ร 10 mL bottles
- 16 weeks (12 vials): 36 mL โ 4 ร 10 mL bottles
- Alcohol Swabs: One for the vial stopper + one for the injection site each day.
- Per week: 14 swabs (2/day)
- 8 weeks: 112 swabs โ recommend 2 ร 100โcount boxes
- 12 weeks: 168 swabs โ recommend 2 ร 100โcount boxes
- 16 weeks: 224 swabs โ recommend 3 ร 100โcount boxes
Protocol Overview
Concise summary of the onceโdaily regimen.
- Goal: Support immune modulation and enhance host defense mechanisms[1][2].
- Schedule: Daily subcutaneous injections for 8โ12 weeks (extend to 16 weeks if desired).
- Dose Range: 300โ500 mcg daily with gradual titration.
- Reconstitution: 3.0 mL per 5 mg vial (~1.67 mg/mL) for accurate unit measurements.
- Storage: Lyophilized refrigerated or frozen; reconstituted refrigerated; use within 7 days.
Dosing Protocol
Suggested daily titration approach.
- Start: 300 mcg daily for Week 1 to assess tolerance.
- Target: 500 mcg daily from Week 2 onward.
- Frequency: Once per day (subcutaneous).
- Cycle Length: 8โ12 weeks; optional extension to 16 weeks.
- Timing: Any consistent time; rotate injection sites.
Storage Instructions
Proper storage preserves peptide quality.
- Lyophilized: Store at 2โ8 ยฐC (35.6โ46.4 ยฐF) for short-term or โ20 ยฐC (โ4 ยฐF) for long-term; minimize moisture exposure[5].
- Reconstituted: Refrigerate at 2โ8 ยฐC (35.6โ46.4 ยฐF); use within 7 days when using bacteriostatic water; avoid freezeโthaw.
- Allow vials to reach room temperature before opening to reduce condensation uptake.
Important Notes
Practical considerations for consistency and safety.
- Use new sterile insulin syringes; dispose in a sharps container.
- Rotate injection sites (abdomen, thighs, upper arms) to reduce local irritation.
- Inject slowly; wait a few seconds before withdrawing the needle.
- Document daily dose and site rotation to maintain consistency.
- Inspect solution before each useโdo not use if cloudy or discolored.
How This Works
Thymosin Alpha-1 is a naturally occurring thymic peptide that modulates immune function through multiple pathways[1]. It enhances the maturation and differentiation of Tโcells, augments dendritic cell function, and promotes the production of key cytokines including interferonโฮฑ and interleukinโ2[2][6]. Clinical studies have demonstrated Tฮฑ1's ability to enhance immune responses in immunocompromised individuals, including those with chronic hepatitis B and C infections[4]. Meta-analyses have also shown benefit in reducing mortality in moderate-to-critical COVID-19 patients[3].
Potential Benefits & Side Effects
Observations from preclinical and clinical literature.
- Supports enhanced Tโcell function and overall immune competence[1][2].
- Demonstrates an excellent safety profile; doses up to 1.6 mg twice weekly for 6โ12 months have been well-tolerated[4][7].
- Even at experimental doses up to 16 mg SC over 12 months, no significant Tฮฑ1โspecific toxicity has been observed[7].
- Most common adverse effect is mild injectionโsite irritation (redness or discomfort).
Lifestyle Factors
Complementary strategies for best outcomes.
- Maintain adequate sleep and stress management to support immune function.
- Consume a nutrientโdense diet rich in vitamins C, D, and zinc.
- Engage in moderate physical activity to complement immune optimization.
- Avoid excessive alcohol and smoking, which impair immune responses.
Injection Technique
General subcutaneous guidance from clinical bestโpractice resources[8].
- Clean the vial stopper and skin with alcohol; allow to dry.
- Pinch a skinfold; insert the needle at 45โ90ยฐ into subcutaneous tissue[9][10].
- Do not aspirate for subcutaneous injections; inject slowly and steadily[9].
- Rotate sites systematically (abdomen, thighs, upper arms) to avoid lipohypertrophy[11].
Recommended Source
We recommend Shop Peptides Direct for highโpurity Thymosin Alpha-1 (5 mg).
Why Shop Peptides Direct?
- Highโpurity, thirdโpartyโtested lots with batch COAs.
- Consistent, ISOโaligned handling and documentation.
- Reliable fulfillment to maintain coldโchain integrity.
Important Note
This content is for educational purposes only and is not medical advice. Thymosin Alpha-1 is for research use only. Not for human consumption. Always consult with qualified professionals before starting any peptide research protocol.
References
-
World Journal of Virology โ Dominari et al. (2020): Comprehensive review of Thymosin Alpha-1 mechanisms, dosing (0.8โ6.4 mg SC), and clinical applications
-
Molecules (MDPI) โ Tao et al. (2023): Thymosin Alpha-1 in viral diseasesโmechanisms and therapeutic applications in HBV, HCV, and HIV
-
Inflammopharmacology โ Soeroto et al. (2023): Meta-analysis of Tฮฑ1 in COVID-19; significant mortality reduction in moderate-to-critical patients
-
Expert Opinion on Biological Therapy โ Thymalfasin (Zadaxin) clinical overview: 1.6 mg SC twice weekly for hepatitis B treatment
-
Annals of the New York Academy of Sciences โ Thymosin Alpha-1: biological activities, clinical applications, and pharmacokinetics review
-
Clinical Immunology โ Mechanisms of thymosin alpha-1 immunomodulation: T-cell maturation and cytokine production
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