US Licensed Pharmacy Sourced Peptides • FDA-Registered Facilities • Physician Prescribed

All Products How it Works About Peptide Therapy
Skin Health & Aesthetic Support GHK-Cu KPV Melanotan II
Cognitive & Neurological Support Dihexa DSIP Selank Semax DHH-B
Sexual Wellness & Hormonal Balance PT-141 Kisspeptin-10
Immune Modulation & Gut Health LL-37 Thymosin Alpha-1 Thymulin Thymogen KPV
Login Book Your Consultation
Anti-Aging & Longevity

Thymosin Alpha-1 (TA-1)

A clinically recognized immune-modulating peptide that enhances immune defense, reduces inflammation, and supports overall resilience.

Doctor-Prescribed
Lab-Tested Purity
Ships to Your Door
Satisfaction Guarantee
$180.00 (vial)
Strengthens innate and adaptive immunity through T-cell and NK cell activation
Helps regulate inflammation and restore immune balance
Provides antiviral and immune-supportive benefits for chronic and age-related conditions
Enhances vaccine response and immune resilience
Doctor-prescribed therapy compounded and fulfilled through licensed U.S. pharmacies

What is Thymosin Alpha-1 (TA-1)?

Thymosin Alpha-1 (TA-1) is a naturally derived peptide from the thymus gland, clinically known for its ability to modulate immune response, reduce inflammation, and enhance antiviral defense. It plays a central role in T-cell activation and immune system coordination, supporting the body’s natural ability to recognize and eliminate harmful pathogens. At PeptideWebMD, TA-1 therapy is doctor-supervised and customized to help patients strengthen immune health as part of integrative anti-aging and wellness care.

Note: This product is not approved by the FDA. It is available only via prescription under the supervision of a licensed healthcare provider.

Science & Mechanism of Action

Thymosin Alpha-1 regulates immune balance by modulating cytokines and enhancing key immune cell functions. The result is a better-coordinated, stronger immune response that supports protection against infection, inflammation, and immune decline associated with aging.

1

T-Cell Activation

Stimulates T-lymphocytes and natural killer (NK) cells to boost immune surveillance and pathogen defense.

2

Cytokine Regulation

Balances immune signaling by promoting interferon-gamma and interleukin-2 production.

3

Enhanced Antigen Response

Improves MHC Class I expression for more effective immune targeting.

Benefits & Clinical Applications

Scientifically supported benefits across multiple health concerns

For Immune Optimization & Defense

  • Enhances T-cell and NK cell function
  • Strengthens resistance to viral infections
  • Supports balanced cytokine activity to prevent over-inflammation

For Chronic & Autoimmune Support

  • Modulates immune overactivity seen in autoimmune conditions
  • Reduces chronic inflammation and oxidative stress

For Anti-Aging & Recovery

  • Modulates immune overactivity seen in autoimmune conditions
  • Reduces chronic inflammation and oxidative stress

Physician-Guided Protocol

Safe, effective dosing under medical supervision

For educational purposes only. Exact dosage is personalized following doctor consultation.

Typical Treatment Protocol

Delivery Method
Subcutaneous injection 2–3 times per week
Typical Range
1.6 mg – 3.2 mg per week in divided doses
Duration
4–12 weeks based on immune status and recovery objectives

Note: All protocols are prescribed and monitored by licensed physicians. Dosing varies based on individual needs, injury severity, and treatment goals. Do not self-administer without medical guidance.

Safety Profile & Considerations

Transparent information about side effects and contraindications

Common Side Effects

  • Slight fatigue or mild injection-site irritation that resolves quickly.

Who Should Avoid

  • Patients with organ transplants or autoimmune conditions should use only under strict medical supervision.
Doctor

Thymosin Alpha-1 is a cornerstone peptide in immune modulation. It helps rebalance immune function, reduce chronic inflammation, and strengthen defense systems naturally — especially valuable for patients with immune suppression or chronic fatigue.

Dr. Jonathan Hinds, MD, FAAMFM, ABAARM Medical Director, PeptideWebMD

Frequently Asked Questions

Common questions about Thymosin Alpha-1 (TA-1)

How is Thymosin Alpha-1 different from Thymogen or TB-500? +

TA-1 is focused on immune activation and balance, while Thymogen aids epithelial healing and TB-500 supports tissue repair.

Can TA-1 help with age-related immune decline? +

Yes. It has been studied for improving immune function in older adults and enhancing resilience to infection.

When are results noticed? +

Many patients see improved energy and immunity within 2–3 weeks; full immune adaptations develop over a 4–8 week protocol.

Is Thymosin Alpha-1 safe for repeated use? +

Yes, when administered under medical supervision with appropriate cycling and monitoring.