TB-500
Targeted Peptide Therapy // IVUSE+

TB-500

TB-500. A synthetic fragment of Thymosin Beta-4, the body's native repair signal. 43 amino acids that tell damaged tissue to rebuild, not just recover.

5MG/ML
Accelerated Tissue Repair Reduced Inflammation Angiogenesis Support Joint + Tendon Recovery
Protocol Options

Clinician-prescribed. Ships from a licensed U.S. pharmacy.

The Mechanism

Rebuild. Not Just Recover.

Standard anti-inflammatory interventions suppress the pain signal. TB-500 addresses the structural damage. Its LKKTETQ actin-binding domain directs repair cells to injury sites, builds new vasculature to deliver oxygen and nutrients, and suppresses the NF-kB inflammatory cascade that keeps tissue stuck in a damage loop. At 4.9 kDa, TB-500 reaches injured tissue with a diffusion profile that larger growth factors cannot match. It operates intracellularly through cytoskeletal regulation and ILK signaling rather than through extracellular receptor binding, giving it regenerative reach across multiple tissue types simultaneously.

Clinical Data

The Evidence

4.9 kDa
Molecular weight enabling superior tissue penetration vs. larger growth factors
LKKTETQ
Seven-amino-acid actin-binding domain governing cell migration and repair
3 Sites
Parallel active domains: LKKTETQ (migration), Ac-SDKP (anti-fibrotic), ILK (survival)
Goldstein & Kleinman, Annals of the NY Academy of Sciences, 2012
Comparison

Conventional Recovery vs. TB-500 (Thymosin Beta-4 Analog)

Conventional RecoveryTB-500 (Thymosin Beta-4 Analog)
NSAIDs suppress pain signal without addressing structural damage Directs repair cells to injury site through LKKTETQ-driven migration
Corticosteroids reduce inflammation at the cost of tissue integrity Suppresses NF-kB inflammation while promoting organized tissue rebuilding
PRP provides growth factor bolus without directing cell migration Builds new vasculature at injury sites via angiogenic signaling
Rest alone relies on the body's baseline repair capacity Active repair acceleration, not passive waiting for baseline healing
Prolotherapy creates irritation without constructive signaling Anti-fibrotic domain reduces scar tissue, promotes functional architecture
Each approach treats one symptom rather than the repair deficit Three active domains operating in parallel: migration, anti-inflammation, survival
Product Information

Details

TB-500 is a synthetic peptide corresponding to the active region of Thymosin Beta-4 (Tb4), a 43-amino acid polypeptide present in virtually every cell. Tb4 is the principal G-actin sequestering molecule in mammalian cells. It is not a growth factor. It is a cytoskeletal regulator that controls how cells move, migrate, and organize during injury repair. The mechanism operates through a seven-amino-acid sequence, LKKTETQ, at positions 17-23. This actin-binding domain governs three parallel processes: cell migration to injury sites, angiogenesis for new blood supply, and anti-inflammatory signaling through TNF-alpha/NF-kB suppression. TB-500's low molecular weight (4.9 kDa) allows tissue penetration that larger growth factors (14-16 kDa) cannot achieve, reaching damaged areas with superior diffusion and bioavailability.
Tissue repair accelerates through direct cytoskeletal regulation. TB-500 activates integrin-linked kinase (ILK) signaling, driving cell survival and migration simultaneously. The inflammatory cycle that keeps chronic injuries stuck gets interrupted at the NF-kB level. Joint and tendon recovery benefits from TB-500's ability to direct cell migration into poorly vascularized tissue while building new blood supply through angiogenesis. The combination addresses both the structural repair and the delivery infrastructure.
Administer via subcutaneous injection using a 27-31 gauge insulin syringe. Inject into the abdomen, upper arm, or thigh. Your prescribing provider will determine loading and maintenance dosing. Store refrigerated at 36 to 46 degrees Fahrenheit. Protect from light.
TB-500 is generally well tolerated in clinical use. Common effects include injection site irritation and mild fatigue during the initial loading period. Headache has been reported occasionally. Individuals with active malignancy should consult their oncologist due to TB-500's angiogenic and cell migration properties.
Disclaimer and Transparency

Important Information About Compounded Injectables

  • Compounded medications are not reviewed or approved by the FDA and do not undergo the same pre-market evaluation as FDA-approved drugs.
  • IVUSE peptide injections are prepared using peptide ingredients by FDA-registered, U.S.-licensed 503A & 503B compounding pharmacies, where available and clinically appropriate.
  • Availability and formulation may vary based on state regulations, evolving clinical guidance, and pharmacy partners.

All prescriptions, treatment decisions, and care plans are made independently by licensed healthcare providers using their professional judgment. Images and product depictions are for illustration only; actual packaging and supplies may vary.

*If you are interested in a prescription product, IVUSE will coordinate a telehealth visit with a licensed medical provider who will determine whether you are an appropriate candidate based on your health profile and current standards of care. If approved, a prescription will be issued and filled by one of our partner pharmacies. All prescriptions are subject to provider discretion and clinical appropriateness.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. All information provided here is for educational purposes only and does not replace personalized medical advice from a qualified healthcare professional.

Stop the medication and contact your provider if you experience persistent or concerning symptoms. Seek immediate medical care if you develop signs of a severe allergic reaction (such as hives, facial swelling, or difficulty breathing) or any rapidly worsening symptom.

After You Order

What happens next

01

Choose Your Protocol

No consultation fee. No hidden costs. Single vials or a full 12-week cycle.

02

Complete Your Clinical Intake

A board-certified clinician reviews your health history, medications, and goals. Asynchronous. No appointments. No waiting rooms.

03

Your Prescription Ships

Compounded by a licensed U.S. pharmacy. Delivered to your door in 2-4 business days. Cold-shipped when required.

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TB-500

TB-500 $276.00