Where to buy
Where to Buy TB-500
TB-500 is a synthetic fragment of the naturally occurring protein thymosin beta-4, studied in preclinical research settings for its role in cell migration and actin regulation. It is sold across the vendors below strictly for laboratory and research use, not for human consumption.
Read the research overview → for TB-500's research status, timeline, and safety notes.
We may earn a commission when readers buy through links on this page, at no extra cost to you. Commissions never affect a vendor's score — every vendor is graded on the same public rubric built from published lab documentation, live catalog pricing, and community sentiment. How we score →
Vendor availability & pricing
Pricing reflects each vendor's published catalog for TB-500 where listed. Where a vendor's catalog price for TB-500 specifically hasn't been logged yet, we show their most recent on-file price for a different SKU, labeled as such rather than presented as a TB-500 price. Ranked by overall vendor score.
Related reviews
Frequently asked questions
Is TB-500 legal to purchase for research use?+
TB-500 is sold by the vendors above for laboratory and research use only, not for human consumption. Regulatory status varies by jurisdiction — this page is not legal advice.
Which vendor has the best price on TB-500?+
Sample pricing is shown in the table above; the lowest listed price is not always the best value once COA transparency and vendor reliability are factored in — see our full vendor scores.