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TB-500 (Thymosin Beta-4)

Recovery & Repair

Systemic tissue regeneration, flexibility support, and wound healing.

Athletic Use Cases
Systemic Tissue RepairMuscle Fiber RecoveryFlexibility & MobilityChronic Injury Management
WADA Status
WADA Banned
Standard Dose
2mg - 5mg
Frequency
2x weekly (loading), 1x weekly (maintenance)
Half-Life
7-10 days

Athletic Mechanism of Action

Upregulates actin to promote cell migration, angiogenesis, and systemic tissue repair.

For athletes, the primary value of TB-500 (Thymosin Beta-4) lies in its ability to systemic tissue regeneration, flexibility support, and wound healing.. This mechanism is particularly relevant during high-volume training phases when tissue repair demand exceeds the body's natural recovery capacity.

Recovery Timeline

4–6 weeks for systemic repair; best combined with BPC-157

Individual response varies based on injury severity, training load, and baseline health markers.

WADA Compliance Status

WADA Banned Compounded

Well tolerated. Theoretical concern re: cancer promotion due to actin upregulation — avoid in active malignancy.

Always verify current WADA status with your sport's governing body before use in competition.

Research Evidence

Primary Study

https://pubmed.ncbi.nlm.nih.gov/17484181/

Supporting Evidence

https://pubmed.ncbi.nlm.nih.gov/20592731/

Clinical Protocol

Start a TB-500 (Thymosin Beta-4) Protocol

Hatter Labs provides physician-supervised performance protocols with GMP-certified TB-500 (Thymosin Beta-4) and comprehensive biomarker monitoring.

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Physician-Supervised Performance

Start Your Performance Protocol for TB-500 (Thymosin Beta-4)

Hatter Labs provides physician-supervised performance protocols with GMP-certified compounds, biomarker testing, and personalized programs designed around your training goals.

HIPAA Compliant · GMP Certified · Physician Supervised