Do I need a prescription for TB-500 5mg Pen?

Yes. TB-500 5mg Pen is a prescription therapy. A licensed provider reviews your order before it ships, and the consultation is free.

Do I need to mix the TB-500 5mg Pen?

No. The pen arrives prefilled. You dial the dose your provider prescribes and inject under the skin.

How should I store TB-500 5mg Pen?

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

How is TB-500 5mg Pen shipped?

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

Recover & Repair

TB-500 5mg Pen

SKU: G1H-PEN-TB500-5MG

Strength

5 mg
10 mg

TB-500 5mg — Self-Injection Pen

TB-500 is a synthetic fragment of Thymosin Beta-4, the protein that regulates actin — a core building block of cellular repair. It is studied for accelerating soft-tissue healing, improving flexibility and range of motion, and reducing inflammation; the peptide athletes reach for when conventional rehab stalls. Delivered as a prefilled, click-dose self-injection pen — compounded in a US-licensed pharmacy and shipped cold-chain. Refrigerator-stable; store at 2–8°C. 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 CALCULATORTB-500 →

About TB-500 5mg Pen

TB-500 5mg Pen contains TB-500, supplied as a prefilled, multi-dose injection pen.

In published research, TB-500 has been studied for soft-tissue recovery, reduced inflammation, and wound healing. 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

TB-500

TB-500 is a synthetic fragment of thymosin beta-4, a protein involved in cell migration and wound healing. It is studied for soft-tissue recovery and is frequently paired with BPC-157 — G1's Wolverine pen combines the two.

Studied forSoft-tissue recovery · Reduced inflammation · Wound healing

How it works: Thymosin β4 fragment; actin binding, cell migration, angiogenesis
Status: Compounded (Rx)
Half-life: Hours (limited human data)

What is TB-500? →TB-500 dosage calculator →Compare TB-500 →

How it is supplied

Prefilled and ready to use. There is nothing to mix and no syringe to measure.
Multi-dose: you dial the dose your provider prescribes for each injection.
Injected subcutaneously, into the fatty layer just under the skin.
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 inject peptides subcutaneously →

Dosing context

Published protocols for TB-500 describe 2–2.5 mg, twice weekly (loading). Onset is typically reported at 2–4 weeks.
These figures are context from the literature, not instructions. Your provider sets your dose and schedule.

TB-500 dosage calculator →

Safety

Risks noted in the literature: injection-site reactions, transient fatigue or headache, and limited human trial data.
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 TB-500 5mg Pen?: TB-500 5mg Pen contains TB-500. TB-500 is a synthetic fragment of thymosin beta-4, a protein involved in cell migration and wound healing. It is studied for soft-tissue recovery and is frequently paired with BPC-157 — G1's Wolverine pen combines the two.
Do I need a prescription for TB-500 5mg Pen?: Yes. TB-500 5mg Pen is a prescription therapy. A licensed provider reviews your order before it ships, and the consultation is free.
Do I need to mix the TB-500 5mg Pen?: No. The pen arrives prefilled. You dial the dose your provider prescribes and inject under the skin.
How should I store TB-500 5mg Pen?: Refrigerated (2–8 °C); use within the pharmacy beyond-use date.
How is TB-500 5mg Pen 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.