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TB-500 Price: Cost per mg and per Week

What TB-500 costs per mg by vial size, from dated public listings. No vendor links, no coupons.

Medically reviewed by Juan Pablo Frías, MD · · DisclosureSynthetic fragment of thymosin beta-4Updated
Data only. We never link to sellers, take commissions on peptide sales or publish coupon codes.

Price per mg

No price index for TB-500 yet. We publish prices only as an aggregate of dated listings we have re-checked, and we have not collected enough for TB-500. We would rather show nothing than a guess.

Why prices vary

  • Research-use products are unregulated, so a low price can mean less active peptide than the label says.
  • Bigger vials usually cost less per mg, but only if the whole vial is used before it expires.
  • Prices change often, which is why every figure here carries the date it was checked.

Common questions

How much does TB-500 cost?

We publish price per mg only from dated, public listings. We have not collected enough listings for TB-500 to publish a figure. We never link to sellers.

Where can I buy TB-500?

We don't link to or recommend sellers. TB-500 is not an approved drug, and research-use products are not checked by the FDA for identity, purity or dose.

More on TB-500

DosageDoses used in published studies, with the source for each.CalculatorVial, water and dose to syringe units.Side effectsWhat labels and studies report, and what is unknown.ResultsStudy outcomes and when they were measured.Legal statusFDA, compounding and WADA status with dates.How to injectSites, syringe types and hygiene, step by step.

Sources

  1. 1Certain bulk drug substances for use in compounding that may present significant safety risks (Category 2; 'nominated but withdrawn' table, content current as of 22 Apr 2026)U.S. Food and Drug Administration · 2026fda.govAccessed 2 Oct 2026
  2. 2Pharmacy Compounding Advisory Committee meeting, 23–24 Jul 2026 (agenda and materials)U.S. Food and Drug Administration · 2026fda.govAccessed 2 Oct 2026
  3. 3World Anti-Doping Code International Standard Prohibited List 2026World Anti-Doping Agency · 2026wada-ama.orgAccessed 2 Oct 2026
  4. 4United States: No FDA-approved product found: Drugs@FDA (openFDA) search for active ingredient "TB-500" returned no matches on 2 Oct 2026.U.S. Food and Drug Administration · 2026api.fda.govAccessed 2 Oct 2026
  5. 5US compounding: TB-500 (thymosin beta-4 fragment) was removed from FDA's 503A category 2 after the nominator withdrew; FDA announced a PCAC consultation on 23 July 2026.U.S. Food and Drug Administration · 2026fda.govAccessed 2 Oct 2026
  6. 6World Anti-Doping Code: Prohibited List 2026World Anti-Doping Agency · 2026wada-ama.orgAccessed 2 Oct 2026

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