Agência Nacional de Vigilância Sanitária (Anvisa)
Is TB-500 (thymosin beta-4 fragment) legal in Brazil?
Not approvedNot registered in Brazil; Anvisa says it has no authorisation as a supplement and injectables are irregular
Not approved as a medicine here.
TB-500 is one of five peptides named in Anvisa's alert of 2026-07-02. Anvisa states that BPC-157 and TB-500 have no authorisation for use as food supplements, and that no supplement may be injected. It is not in the medicines register (checked 2026-09-29). Compounding is allowed only for individual prescriptions at regularised pharmacies, but Anvisa says the substance is not regularised in any category.
Last verified 2026-09-29 · how we verify
TB-500 (thymosin beta-4 fragment) elsewhere
Sources (3)
- 01Checamos: peptídeos que prometem milagres NÃO estão registrados na AnvisaAgência Nacional de Vigilância Sanitária (Anvisa) · 2026-07-02 · accessed 2026-09-29
- 02Anvisa alerta que peptídeos injetáveis vendidos online são ilegaisMetrópoles · 2026-07-03 · accessed 2026-09-29
- 03Dados abertos: registro de medicamentos (DADOS_ABERTOS_MEDICAMENTOS.csv)Agência Nacional de Vigilância Sanitária (Anvisa) · 2026-09-29 · accessed 2026-09-29