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Synthesized to ≥99% purity, characterized by HPLC and mass spectrometry, and traceable from synthesis to shipment.

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Density of citations. Honesty about evidence.

Every peptide cross-referenced to the published literature. No interpretation — primary sources only.

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BPC-157 + TB-500 Recovery research

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Latest news

Map linking TB-500 and thymosin beta-4 to the research areas studied: eye surface, skin wounds, heart, brain, gut barrier, tissue repair, kidney, liver, immune and cell studies

Peptide Research Research Education

What Is TB-500 Studied For? Research Areas Explained | Artemis Labs

TB-500 is a seven-amino-acid fragment of thymosin beta-4. A plain-language tour of every research area the published record actually covers, and what it does not.

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24
Aug
Diagram of skin layers with a wound gap narrowing across three stages, illustrating the topical Phase 2 chronic-ulcer trials of full-length thymosin beta-4

Peptide Research Recovery & Tissue Repair

TB-500 and Wound Research: What Human Skin Trials Found | Artemis Labs

The human skin-wound trials often linked to TB-500 tested thymosin beta-4, the larger parent protein. Here is what those studies reported, and what they did not.

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24
Aug
Illustration of the WADA 2026 Prohibited List document with section S2.3, growth factors and growth factor modulators, highlighted to show the entry for thymosin beta-4 and its derivatives such as TB-500, prohibited at all times

Regulatory & Legal Research Education

Is TB-500 Banned by WADA? The 2026 List, Quoted | Artemis Labs

The 2026 WADA Prohibited List names Thymosin-beta4 and its derivatives e.g. TB-500 under section S2.3. Here is the quoted text, the source PDF, and what it covers.

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24
Aug
Diagram comparing the seven-residue TB-500 fragment with the 43-residue thymosin beta-4 parent protein, with molecular weight bars drawn to scale at 889.0 daltons against about 4,963 daltons

Peptide Research Research Education

TB-500 vs Thymosin Beta-4: Not the Same Molecule | Artemis Labs

TB-500 is a seven-amino-acid fragment of thymosin beta-4, a 43-amino-acid protein about five times heavier. Here is what the published research actually tested.

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24
Aug
Diagram of a collagen matrix with fibroblasts, illustrating TB-500 and thymosin beta-4 tissue-repair research, labelled as preclinical models with no human musculoskeletal data

Peptide Research Recovery & Tissue Repair

TB-500 and Tissue Repair: What the Research Shows | Artemis Labs

TB-500 is a 7-amino-acid fragment of thymosin beta-4. Here is what repair research actually tested, which form it used, and what has never been studied in people.

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24
Aug
Diagram of the TB-500 sequence Ac-LKKTETQ, seven residues with the acetyl cap marked, shown as residues 17 to 23 of the 43-residue thymosin beta-4 chain, with molecular formula, 889.0 g/mol molecular weight and CAS number 885340-08-9

Quality & Testing Research & Quality

TB-500 Sequence and Identity: The Analytical Facts | Artemis Labs

TB-500 is Ac-LKKTETQ-OH: seven amino acids, MW 889.0, CAS 885340-08-9. The verified identity numbers, plus the 847.0 free-acid mix-up worth avoiding.

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24
Aug
Bar diagram comparing a stack of animal and cell studies of full-length thymosin beta-4 with a shorter stack of human thymosin beta-4 trials and an empty box marked none for human data on the TB-500 fragment

Peptide Research Research Education

TB-500 Safety Research: Published and Missing | Artemis Labs

What published research reports about TB-500 and thymosin beta-4 safety, including the one human safety study, the negative findings, and the gaps nobody has filled.

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24
Aug
Timeline diagram showing no published human trial of the TB-500 fragment and, on a separate track, the human thymosin beta-4 studies: a Phase 1 intravenous safety study, a Phase 2 venous ulcer trial, a Phase II dry-eye trial that missed its primary endpoints, a Phase III keratopathy trial at p equals 0.0656, and a STEMI trial that was null in the full cohort

Regulatory & Legal Research Education

TB-500 Human Trials: What Exists and What Does Not | Artemis Labs

No human trial has ever tested TB-500 itself. The eleven human studies people cite all used thymosin beta-4, the larger parent protein. Here is the full list.

Read Details
24
Aug