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thymosin

Thymosin Beta-4

Published evidence · coverage incomplete
Anatomical contextAnatomy connections are not mapped yet.

No body region is highlighted until this profile has a supported anatomical connection. This does not mean the peptide has no biological effects.

Read published mechanism findings ↓

At a glance

What is it—and why does it matter?

In this scoping review, thymosin beta-4 is presented under the alternate name TB-500, indicating these labels are used interchangeably within the review’s included peptide set.

Sources for this introduction: [1]

This published profile is a reference in progress. Findings retain their source context; missing topics are marked below.

What is it?

A molecule, not a product name.

Identity

In this scoping review, thymosin beta-4 is presented under the alternate name TB-500, indicating these labels are used interchangeably within the review’s included peptide set.

Sources[3]pubmedPeptides in Regenerative Medicine: A Comprehensive Review of Clinical Applications in Tissue Repair and Chronic Pain Management.This narrative review summarizes the current evidence on regenerative peptides relevant to chronic pain management, including collagen peptides, body protection compound-157 (BPC-157), thymosin beta-4 (TB-4), thymosin beta-500 (TB-500), glycyl-L-histidyl-L-lysine copper (GHK-Cu), growth hormone-related peptides, and cibinetide (ARA-290).[2]pubmedPeptide Supplements and Their Therapeutic Applications in Sports Medicine.To summarize existing peer-reviewed data on 6 emerging peptides (BPC-157, thymosin beta-4 or TB-500, CJC-1295, MK-677, ipamorelin, and GHK-Cu [copper peptide]) for musculoskeletal recovery and enhancement in animal and human models.[1]pubmedEffects of BPC-157 and TB-500 on Achilles tendon healing in rats: A histopathological and biomechanical study.This study aims to evaluate the effects of BPC-157, synthetic thymosin beta-4 (TB-500), and their combination on Achilles tendon healing using biomechanical, histopathological, histochemical, and immunohistochemical analyses in a rat model.
Source records
3
Independent studies
3

Evidence boundary: Applies only to the source-defined population, formulation, dose, and assessment period.

Exact passages, locators, and provenance
  1. supports · Source-backed record
    “This narrative review summarizes the current evidence on regenerative peptides relevant to chronic pain management, including collagen peptides, body protection compound-157 (BPC-157), thymosin beta-4 (TB-4), thymosin beta-500 (TB-500), glycyl-L-histidyl-L-lysine copper (GHK-Cu), growth hormone-related peptides, and cibinetide (ARA-290).”

    Peptides in Regenerative Medicine: A Comprehensive Review of Clinical Applications in Tissue Repair and Chronic Pain Management. · PURPOSE OF REVIEW

    pubmed:42635865:c5c0752aee5b:c5c0752aee5b
  2. supports · Source-backed record
    “To summarize existing peer-reviewed data on 6 emerging peptides (BPC-157, thymosin beta-4 or TB-500, CJC-1295, MK-677, ipamorelin, and GHK-Cu [copper peptide]) for musculoskeletal recovery and enhancement in animal and human models.”

    Peptide Supplements and Their Therapeutic Applications in Sports Medicine. · PURPOSE

    pubmed:42578445:9b8b12ec3690:9b8b12ec3690
  3. supports · Source-backed record
    “This study aims to evaluate the effects of BPC-157, synthetic thymosin beta-4 (TB-500), and their combination on Achilles tendon healing using biomechanical, histopathological, histochemical, and immunohistochemical analyses in a rat model.”

    Effects of BPC-157 and TB-500 on Achilles tendon healing in rats: A histopathological and biomechanical study. · OBJECTIVES

    pubmed:42542926:f80abbc10a7e:f80abbc10a7e

How does it work?

Target, response, and disposition.

This profile does not yet contain a published summary for this topic. This is a coverage gap, not evidence that no research exists.

What has been studied?

What the evidence says.

This profile does not yet contain a published summary for this topic. This is a coverage gap, not evidence that no research exists.

Risks and interactions

Risks, organized for scanning.

This profile does not yet contain a published summary for this topic. This is a coverage gap, not evidence that no research exists.

Products and regulatory status

Same ingredient. Different records.

This profile does not yet contain a published summary for this topic. This is a coverage gap, not evidence that no research exists.

Administration context

The practical clinical context.

This profile does not yet contain a published summary for this topic. This is a coverage gap, not evidence that no research exists.

Research status + gaps

What still needs better answers?

  • No publishable claim yet for: administration, contraindication, effect, interaction, mechanism, regulatory, safety
  • 12 compiled claim(s) withheld by automated assurance: assurance_score_below_0.58 (9), assurance_score_below_0.72 (3), current_regulatory_source_required (2), extraction_ambiguity (12), high_risk_requires_regulatory_or_two_independent_sources (3), no_direct_support (12)

These are the limits of this profile, not an exhaustive list of scientific uncertainties.

References + discovery

Open the records yourself.

  1. Effects of BPC-157 and TB-500 on Achilles tendon healing in rats: A histopathological and biomechanical study. ↗

    pubmed · published 2026-07-23 · retrieved 2026-08-25T22:58:23Z

  2. Peptide Supplements and Their Therapeutic Applications in Sports Medicine. ↗

    pubmed · published 2026-08-11 · retrieved 2026-08-25T22:58:23Z

  3. Peptides in Regenerative Medicine: A Comprehensive Review of Clinical Applications in Tissue Repair and Chronic Pain Management. ↗

    pubmed · published 2026-08-24 · retrieved 2026-08-25T22:43:25Z

Publication history and provenance

Version 3 · Automated assessment · 2026-08-25T22:58:23Z

c08d7d0db213f9b023cc67b7732ae54e25098b2d9dce1c0756e90db4394c84a3