TB-500

Thymosin beta-4 fragment — tissue repair and recovery

4.5
2 reviews

Rating Breakdown

Wound & Tissue Healing
4.5
Tendon & Ligament Repair
4.0
Anti-Inflammatory Effect
4.5
Gastrointestinal Repair
2.0
Angiogenesis & Blood Flow
4.0
Recovery Speed
4.5
Safety & Side Effects
4.0

Overview

TB-500 is a synthetic version of thymosin beta-4, a naturally occurring peptide that promotes cell migration, wound healing, and tissue repair throughout the body.

Key Information

Identity
Also Known As Thymosin Beta-4(17-23)
Sequence LKKTETQ
CAS Number 77591-33-4
Molecular Formula C18H31N3O5
Properties
Half-Life Short (minutes)
Administration subcutaneous injection
Dosage Range 2-5 mg per week
Price Range $0.8–$6.0/mg
Handling & Storage
Storage Lyophilized: -20C; Reconstituted: 2-8C
Reconstitution Reconstitute with bacteriostatic water
Regulatory Status
US Status Research only
Legal Status Not FDA-approved. Available as research chemical.
Research Papers 1 indexed

Mechanism

Upregulates actin sequestration and cell migration, promotes angiogenesis, and reduces inflammation at injury sites.

Benefits

  • Promotes wound healing
  • Enhances cell migration
  • Reduces inflammation
  • Cardiac repair potential

Side Effects

  • Minimal reported

Contraindications

  • None established

Evidence Summary

Animal studies show improved recovery from various injuries.

Research

Animal studies show improved recovery from muscle injuries, cardiac damage, and wound healing.

View Research

Safety

Generally well-tolerated. Limited human safety data.

Legal Status

Not FDA-approved. Available as research chemical.

Research

1 research papers indexed

View Research

Write a Review

Rating Breakdown

Effectiveness
4.5
Safety
4.0
Value
4.0
Overall
4.5

Based on 2 reviews.

Reviews

Healed chronic inflammation 2026-06-15
Steve M.

Years of joint pain from sports. TB-500 over 8 weeks reduced inflammation dramatically. Range of motion improved significantly. No side effects. The cardiac repair potential is a bonus.

Effectiveness: 5/5 Safety: 4/5 Value: 4/5
Accelerated muscle recovery 2026-06-07
Steve M.

Used TB-500 after a muscle tear. Recovery time cut in half. Less inflammation and stiffness. Stacked with BPC-157 for synergistic effect. Worth it for serious injuries.

Effectiveness: 4/5 Safety: 4/5 Value: 4/5