Research listings · Peptides
Thymosin beta-4 research listings: prices and suppliers
Research materials and consumer products belong to different categories. A listing, laboratory report, or research-use label does not establish suitability for personal use.
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Prices observed weekly · How we check prices →
Thymosin beta-4 listings
No single-substance listings are tracked for Thymosin beta-4 yet.
Research context
From our own records, with the date each was last checked.
- FDA approval
- No approved drug product with this ingredient listed in Drugs@FDA (data updated 2026-11-02)Checked
- 503A / 503B compounding
- Pending editor checkChecked
- Advisory committee (PCAC)
- Pending editor checkChecked
- Rulemaking / enforcement
- Pending editor checkChecked
- WADA
- S2.3 Growth factors and growth factor modulators · Prohibited at all times — in and out of competition (2026 list; unchanged in the 2027 list, in force from Jan 1, 2027)Checked
- Human studies
- 3 recorded
- Identity
- Formula C212H350N56O78S · MW 4963 g/mol · CAS 77591-33-4Sequence Ac-SDKPDMAEIEKFDKSKLKKTETQEKNPLPSKETIEQEKQAGESSource record Checked
Read the guide:TB-500 and Thymosin Beta-4: Checking the Exact Substance
Identity noteThe full 43-amino-acid protein. Listings sold as TB-500 are a short synthetic fragment and are tracked as a separate substance.
How we check prices · Offers are matched to our catalogue by an editor before they appear; a listing is not an endorsement.