Injury, Repair & Recovery · live pricing
Where to Buy TB-500 — Cheapest Vendor in 2026
Live TB-500 pricing across every research peptide vendor we track, ranked by price per mg. Updated daily. Right now the cheapest source 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.
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. Analytica… Read the full TB-500 research profile
Buying TB-500 — FAQ
Where can I buy TB-500 online?
TB-500 is available from 7 verified 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?
Right now the lowest price per mg comes from Ion Peptide at $4.90/mg ($49.00 for 10mg). Daily price snapshots keep this ranking current — bookmark for the live cheapest source.
Is buying TB-500 online safe?
Vendor safety varies. BodyHackGuide ranks every vendor on a 0-100 Trust Score (COA verification, payment transparency, community feedback, shipping practices). Vendors below the Trust Score threshold aren't surfaced on this page. The vendor profile linked from each listing shows their full score breakdown.
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 may earn a commission from purchases made via the links on this page — at no additional cost to you. Vendor rankings are based purely on live price-per-mg data and the published Trust Score rubric. We don't accept payment for editorial placement. See our full affiliate disclosure .
Free 2026 Peptide Cheat Sheet — 50 pages, PDF
Reconstitution math, concentration charts, half-lives, and vendor trust tiers. The reference we wish we had on day one.