For research use only. Not for human consumption. Not medical advice — consult a licensed clinician.

Healing & Recovery

TB-500

Also known as: Thymosin Beta-4 fragment, TB4 fragment

Research use only · not FDA-approved research only

Synthetic fragment of Thymosin Beta-4 active site. Studied for actin sequestration, cell migration, and tissue repair.

Common research uses

soft tissue injury recovery (research only)wound healing studies
Real-time market data

Pricing for TB-500

Live vendor pricing, normalized to $/mg so sizes compare fairly — fused with each seller's Merit trust score and latest independent COA purity. Prices refresh daily.

Independent evidence

COAs for TB-500

119 third-party tests across 26 vendors. Each card links to the full report.

All 119 COAs for TB-500 →
Measured purity 76.4%–100.0% across 80 COAs
Measured purity over time
Aggregated · 3rd-party listing
99.94 %
May 2026
Janoshik Analytical

For

TB-500

by EZ Peptides· batch EZP-TBF1005142026-05

Aggregated · 3rd-party listing
99.52 %
May 2026
Janoshik Analytical

For

TB-500

by Prime Peptides· batch 4142026TB

Aggregated · 3rd-party listing
99.70 %
May 2026
ILS Labs

For

TB-500

by Ion Peptide· batch TB20-05072026

Aggregated · 3rd-party listing
98.89 %
May 2026
Janoshik Analytical · HPLC

For

TB-500

by Prime Peptides· batch 4062026TB

Aggregated · 3rd-party listing
99.95 %
May 2026
Janoshik Analytical · HPLC

For

TB-500

by Verified Peptides· batch FTB06260510E

Aggregated · 3rd-party listing
99.87 %
May 2026
ILS Labs

For

TB-500

by NG Peptide· batch TB20-5

Aggregated · 3rd-party listing
99.81 %
May 2026
ILS Labs

For

TB-500

by Ion Peptide· batch TB10-05042026

Aggregated · 3rd-party listing
99.85 %
May 2026
ILS Labs

For

TB-500

by NG Peptide· batch TB10-07

Aggregated · 3rd-party listing
99.76 %
May 2026
MDx BioAnalytical Laboratory

For

TB-500

by BioLongevity Labs· batch 27-3-46148

Aggregated · 3rd-party listing
76.40 %
Apr 2026
Janoshik Analytical · HPLC

For

TB-500

by Verified Peptides· batch cmp4wgarf0049x7rxfuib1vbq

Aggregated · 3rd-party listing
98.76 %
Apr 2026
Janoshik Analytical · HPLC

For

TB-500

by Verified Peptides· batch cmp4wgatm004ax7rxy0foeiuf

Aggregated · 3rd-party listing
99.86 %
Apr 2026
ILS Labs

For

TB-500

by Riptide Wellness· batch RWTB-10-1002

Aggregated · 3rd-party listing
99.81 %
Apr 2026
Janoshik Analytical

For

TB-500

by Reta Peptide· batch 20260409

Aggregated · 3rd-party listing
99.86 %
Apr 2026
Janoshik Analytical · HPLC

For

TB-500

by Skye Peptides· batch TB26-20-001

Aggregated · 3rd-party listing
99.00 %
Apr 2026
Ethos Analytics · HPLC

For

TB-500

by OROS Research· batch OR-LPTB10-326-B5

Aggregated · 3rd-party listing
99.08 %
Apr 2026
Freedom Diagnostics · HPLC

For

Thymosin Beta-4

by Blank Peptides· batch 665394

Aggregated · 3rd-party listing
99.80 %
Apr 2026
BTLabs · HPLC

For

TB-500

by Crush Research· batch CR-TB510-2603-1

Aggregated · 3rd-party listing
99.80 %
Apr 2026
BTLabs · HPLC

For

TB-500

by Crush Research· batch CR-WOLF10-2603-1

Aggregated · 3rd-party listing
99.80 %
Apr 2026
BTLabs

For

TB-500

by Crush Research· batch CR-TB510-2603-1

Aggregated · 3rd-party listing
99.80 %
Apr 2026
BTLabs

For

TB-500

by Crush Research· batch CR-WOLF10-2603-1

Aggregated · 3rd-party listing
99.90 %
Mar 2026
Janoshik Analytical · HPLC

For

TB-500

by Cocer Peptides· batch CS-tbf10-0316

Aggregated · 3rd-party listing
99.92 %
Mar 2026
Kovera Labs · HPLC

For

TB-500 (Thymosin B4)

by Mile High Compounds· batch TB5-010-MH-04

Aggregated · 3rd-party listing
99.08 %
Mar 2026
Vanguard Laboratory · HPLC

For

TB-500

by Mile High Compounds· batch TB5-010-MH-03

Aggregated · 3rd-party listing
99.87 %
Feb 2026
Freedom Diagnostics · HPLC

For

Thymosin Beta-4

by Peptide Plugs· batch cmp96iiyg00081wrx0l7umea3

Research depth

17 citations indexed for TB-500

All research on TB-500 →

in-vitro · 2026

Thymosin Beta-4 and TB-500 in Tissue Healing, Regeneration, and Musculoskeletal Repair: A Scoping Review

Thymosin beta-4 (TB4) and the related compound commonly referred to as TB-500 are widely discussed in tissue healing and musculoskeletal medicine, but the scope and nature of the supporting literature remain unclear.

review · 2026

Therapeutic peptides in gerontology: mechanisms and applications for healthy aging

Background Peptide therapeutics represent an emerging frontier in gerontological medicine, targeting fundamental hallmarks of aging including metabolic dysfunction, telomere attrition, tissue repair impairment, and hormonal decline.

Study · 2026

Injuries, Injections, and Internet Forums: A Qualitative Study of Reddit User Perspectives on Peptide Therapy After Orthopaedic Surgery

Study · 2026

Safety and Efficacy of Approved and Unapproved Peptide Therapies for Musculoskeletal Injuries and Athletic Performance

Peptides are short chains of amino acids with a unique pharmacological niche between small-molecule drugs and large proteins. Their use in sports medicine is rapidly expanding, driven by patient demand for accelerated injury recovery and performance enhancement.

Study · 2026

Evaluation of Research Grade Peptides Marketed Directly to Consumers Reveals Extensive Variability in Purity and Measured Abundance

Peptides are a rapidly expanding drug class with a parallel and largely unregulated gray market that sells preparations directly to consumers for self-administration.

review · 2026

Safety and Efficacy of Approved and Unapproved Peptide Therapies for Musculoskeletal Injuries and Athletic Performance

Peptides are short chains of amino acids with a unique pharmacological niche between small-molecule drugs and large proteins. Their use in sports medicine is rapidly expanding, driven by patient demand for accelerated injury recovery and performance enhancement.

Research use only — not for human consumption and not approved by the FDA. Nothing here is medical advice.