Thymosin Beta-4
Also known as: TB-4, Tβ4, full-length Thymosin Beta-4
Thymosin beta-4 is a naturally occurring peptide encoded by the TMSB4X gene (WHO name "timbetasin").
Caliber Peptide Index tracks Thymosin Beta-4 across 2 research-peptide vendors, with the lowest listed price at $11.0/mg (10mg) at Oathresearch as of 2026-06-01. Prices below are normalized to dollars per milligram so different vial sizes can be compared on an equal basis. Thymosin Beta-4 is sold by third-party vendors for research use only.
Research Applications
Studied in research on actin regulation and tissue-related signaling.
Safety Considerations
Not an approved human therapeutic. Sold as a research chemical for laboratory use only — not for human consumption.
Sources
Available From 2 Vendors — Sorted by $/mg
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Frequently asked
- How many vendors sell Thymosin Beta-4?
- Caliber Peptide Index currently tracks 2 research peptide vendors listing Thymosin Beta-4.
- What is the lowest tracked price for Thymosin Beta-4?
- The lowest tracked price for Thymosin Beta-4 is $11.0/mg (10mg) at Oathresearch. Prices are sorted by dollars per milligram so different vial sizes can be compared on an equal basis.
- How often are Thymosin Beta-4 prices updated?
- Vendor prices are refreshed by our automated scraper (most recent update: 2026-06-01). Always confirm the current price on the vendor's site before purchase.
Caliber Peptide Index is a directory. We do not test, score, or endorse any vendor. Prices listed are what each vendor publishes; verify on the vendor's site before purchase.
Products listed for research purposes only — not for human consumption. Wiki content is summarized from publicly available research literature and is not medical advice.