Fact-Checked·Verified against peer-reviewed sources · Last updated Oct 18, 2026·For research use only - not for human consumption
Tissue RepairLimited Research

Thymosin Beta-4 Fragment

Also known as: tβ4 fragment · ac-SDKP · ac sdkp · N-acetyl-seryl-aspartyl-lysyl-proline

For in-vitro (laboratory) research purposes only. Not for human or animal consumption.

Peptide Stores Online branded research vialCOMING SOON

Available Forms

InjectableNasal Spray

Research Applications

Tissue & Wound HealingAnti-Inflammatory

Check independent lab results, free

Finnrick Analytics publishes independent lab test results for peptide products from named vendors, and anyone can check the published results for free.

For in-vitro research use only. Not for human consumption.

1What Is Thymosin Beta-4 Fragment?

Tetrapeptide fragment of Thymosin Beta-4 studied for cardiac and tissue protective effects.

4Published Research - Plain English Summaries

The studies below have been published in peer-reviewed journals. Summaries are written in plain language - no jargon. Citations are provided as text only.

review

Mendias CL, Awan TM · 2026 · Sports medicine (Auckland, N.Z.) · PMID 41966639

other

Delcourt V, Garcia P, Chabot B, Aber N, Pescher M, Cacault M, Scholtes P, Loup B, Barnabé A, Popot MA, Bailly-Chouriberry L · 2025 · Drug testing and analysis · PMID 39314109

other

Al-Nedawi KN, Czyz M, Bednarek R, Szemraj J, Swiatkowska M, Cierniewska-Cieslak A, Wyczolkowska J, Cierniewski CS · 2004 · Blood · PMID 14592829

animal study

Livaniou E, Mihelic M, Evangelatos GP, Haritos A, Voelter W · 1992 · Journal of immunological methods · PMID 1564338

other

Shimamura R, Kudo J, Kondo H, Dohmen K, Gondo H, Okamura S, Ishibashi H, Niho Y · 1990 · Blood · PMID 2393720

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All content on this page is for in-vitro research purposes only. Not intended for human or animal use. Consult a licensed professional before handling research chemicals. No content on this page constitutes medical advice or a treatment recommendation.

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All products listed on Peptide Stores Online are for in-vitro laboratory and educational research purposes only. Not for human or animal consumption. Not evaluated by the Food and Drug Administration. Not intended to diagnose, treat, cure, or prevent any disease or condition. All sellers and buyers agree to full research-use-only terms at account creation. Peptide Stores Online assumes no liability for misuse of any product listed on this platform.