Injury, Repair & Recovery · price comparison
Where to Buy TB-500: Cheapest Vendor in 2026
TB-500 pricing across every research peptide vendor we track, ranked by price per mg. Prices change often, so check the vendor before you buy. The cheapest source we track is Ion Peptide at $4.90/mg.
TB-500 vendor ranking: cheapest first
Research profile
Mechanism, dosing, half-life, peer-reviewed studies for TB-500.
Coupon codes
Every active vendor coupon for TB-500, click-to-copy.
Reconstitution calculator
Vial size + BAC water → concentration, syringe units, doses per vial.
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What is TB-500?
TB-500 is the name the market and the FDA use for a short synthetic fragment of thymosin beta-4: the seven-amino-acid, N-acetylated actin-binding sequence Ac-LKKTETQ (residues 17 to 23). Thymosin beta-4 itself is a 43-amino-acid peptide (about 4963 Da acetylated) and one of the most abundant intracellular actin-sequestering molecules in mammalian cells. The two are not the same molecule. Analytic… Read the full TB-500 research profile
Buying TB-500: FAQ
Where can I buy TB-500 online?
TB-500 has 6 in-stock listings from research peptide vendors tracked on BodyHackGuide. The cheapest current price per mg is Ion Peptide at $4.90/mg. Tap any "Buy" button on this page to go directly to the vendor's product page.
What's the cheapest price for TB-500?
The lowest price per mg we track comes from Ion Peptide at $4.90/mg ($49.00 for 10mg). Prices change often, so check the vendor before you buy.
Is buying TB-500 online safe?
Vendor safety varies. BodyHackGuide scores every vendor on a 0-100 Trust Score (COA verification, payment transparency, community feedback, shipping practices). This page ranks listings by price per mg, not by score, so check each vendor's score breakdown on its BodyHackGuide profile before you buy.
Do I need a prescription for TB-500?
TB-500 is sold for research-use-only by the vendors on this page; no prescription required for research purchases. None of these vendors sell TB-500 for human consumption, and BodyHackGuide doesn't promote off-label use. Always consult a licensed practitioner before any compound enters a clinical context.
Affiliate disclosure. BodyHackGuide earns a commission on some of its links, at no additional cost to you. Vendor rankings are based on price per mg from the listings we track. We don't accept payment for editorial placement. See our full affiliate disclosure .
Free 2026 Peptide Cheat Sheet (PDF)
38 compounds and blends: vial sizes, BAC water volumes, dosing ranges and bloodwork markers.