Do I need a prescription for Thymosin Alpha-1 Vial 20mg?

Yes. Thymosin Alpha-1 Vial 20mg is a prescription therapy. A licensed provider reviews your order before it ships, and the consultation is free.

How do I prepare Thymosin Alpha-1 Vial 20mg?

Thymosin Alpha-1 Vial 20mg is a freeze-dried powder. It is reconstituted with bacteriostatic water, then drawn up with an insulin syringe. Our reconstitution calculator converts your prescribed dose into syringe units.

How should I store Thymosin Alpha-1 Vial 20mg?

Refrigerated (2–8 °C); use within the pharmacy beyond-use date.

How is Thymosin Alpha-1 Vial 20mg shipped?

Orders ship cold-chain, in insulated packaging, so the product stays within its temperature range in transit.

Immune Support

Thymosin Alpha-1 Vial 20mg

SKU: G1H-CPV-THYMOSIN-10ML-9

Strength

10 mg
20 mg

Thymosin Alpha-1 20mg — Compounded Lyophilized Vial (10ml)

Thymosin Alpha-1 is a thymus-derived immune-modulating peptide that helps mature and direct T-cells. It is the peptide functional-medicine clinics reach for to strengthen immune resilience, speed recovery from infection, and support chronic-infection protocols. Supplied as a compounded, lyophilized vial from a US-licensed pharmacy — reconstitute with bacteriostatic water and store refrigerated at 2–8°C, so you can dial dose and cadence to your protocol. For use under licensed-provider supervision.

Prescription therapy. A licensed provider reviews every order before it ships — your free consultation is included.

Tools & reading

DOSAGE CALCULATORThymosin Alpha-1 →GUIDEHow to reconstitute peptides →

About Thymosin Alpha-1 Vial 20mg

Thymosin Alpha-1 Vial 20mg contains Thymosin Alpha-1, supplied as a lyophilized (freeze-dried) vial that is reconstituted before use.

In published research, Thymosin Alpha-1 has been studied for immune modulation, vaccine response, and infection recovery. Research interest is not proof of benefit, and individual results vary.

It is a prescription therapy: a licensed provider reviews every order before it ships.

The active ingredient

Thymosin Alpha-1

Thymosin alpha-1 (thymalfasin, marketed as Zadaxin outside the US) is a 28-amino-acid peptide originally isolated from the thymus. It is approved in dozens of countries as an immune modulator and studied for infection, vaccine response, and immune support during illness.

Studied forImmune modulation · Vaccine response · Infection recovery

How it works: Thymic peptide; T-cell and dendritic-cell modulation
Status: Approved outside US
Half-life: ~2 hours

What is Thymosin Alpha-1? →Thymosin Alpha-1 dosage calculator →Compare Thymosin Alpha-1 →

How it is supplied

Supplied as a freeze-dried powder in pharmaceutical-grade glass, which keeps the peptide stable in transit.
Reconstituted with bacteriostatic water before the first use.
Drawn up with an insulin syringe and injected subcutaneously.
Storage: Refrigerated (2–8 °C); use within the pharmacy beyond-use date.
Compounded in US pharmacies, third-party tested, and shipped cold-chain.

How to reconstitute peptides →Reconstitution calculator →How to inject peptides subcutaneously →

Dosing context

Published protocols for Thymosin Alpha-1 describe 1.5–3.2 mg per dose. Onset is typically reported at 2–4 weeks.
These figures are context from the literature, not instructions. Your provider sets your dose and schedule.

Thymosin Alpha-1 dosage calculator →

Safety

Risks noted in the literature: injection-site reactions and mild fatigue.
Tell your provider about every medication and condition before starting, and report anything unexpected.
Not for use during pregnancy or breastfeeding unless your provider directs otherwise.

Peptide side effects and safety →Who should not use peptides →

How ordering works

Tell us about your goals and health history in a free consultation with a licensed provider.
The provider reviews your order. Prescription products ship only after that review.
Your order is prepared by a US compounding pharmacy and shipped cold-chain to your door.
Your care continues in the patient portal, where you can message your care team and request refills.

Book a free consultation →

Questions

What is in Thymosin Alpha-1 Vial 20mg?: Thymosin Alpha-1 Vial 20mg contains Thymosin Alpha-1. Thymosin alpha-1 (thymalfasin, marketed as Zadaxin outside the US) is a 28-amino-acid peptide originally isolated from the thymus. It is approved in dozens of countries as an immune modulator and studied for infection, vaccine response, and immune support during illness.
Do I need a prescription for Thymosin Alpha-1 Vial 20mg?: Yes. Thymosin Alpha-1 Vial 20mg is a prescription therapy. A licensed provider reviews your order before it ships, and the consultation is free.
How do I prepare Thymosin Alpha-1 Vial 20mg?: Thymosin Alpha-1 Vial 20mg is a freeze-dried powder. It is reconstituted with bacteriostatic water, then drawn up with an insulin syringe. Our reconstitution calculator converts your prescribed dose into syringe units.
How should I store Thymosin Alpha-1 Vial 20mg?: Refrigerated (2–8 °C); use within the pharmacy beyond-use date.
How is Thymosin Alpha-1 Vial 20mg shipped?: Orders ship cold-chain, in insulated packaging, so the product stays within its temperature range in transit.

For educational purposes only. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease. Use only under the guidance of a licensed provider.