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Rooted in Evidence investigates medicinal plants and teas by combining scientific studies, official monographs, safety information, and traditional knowledge, clearly separating clinical evidence, historical use, and hypothesis.

Ervas em tigelas, frasco e caixa de fitoterápico, pote de cápsulas e lupa sobre lista de verificação.
Safety & Interactions27/09/2026

Medicinal plant, herbal medicine or supplement: what Anvisa assesses

Understand how medicinal plants, herbal medicines and food supplements differ, how they are regulated, what to read on labels and key safety warnings.

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Frasco de berberina e cápsulas sobre uma mesa, com símbolo vermelho de proibição e documento da Anvisa ao fundo.
Safety & Interactions14/09/2026

Berberine sold as “Natural Ozempic”: what Anvisa ordered seized and what the measure does not prove

The September 11, 2026 decision targets unregularized berberine-based products marketed with a “Natural Ozempic” appeal; here is what the measure actually means.

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Capa editorial dividida entre cúrcuma culinária, frasco de cápsulas de extrato e medicamentos, com sinais de alerta e referência visual à Anvisa.
Safety & Interactions13/09/2026

Turmeric supplements in 2026: Anvisa limits, liver warning and who should avoid them

Understand the new curcuminoid limits, Anvisa's mandatory warning, who should avoid turmeric supplements and why ordinary culinary turmeric is not the focus of the alert.

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Ramos verdes de guaco ao lado de uma xícara de infusão, folhas secas em tigela de madeira e frasco âmbar sobre mesa rústica.
Pharmacopoeia & Phytotherapy13/09/2026

Guaco in 2026: what Anvisa recognizes, how to use it, and the key warnings

Anvisa’s monograph classifies guaco under traditional use, with specific preparations, doses, duration limits, and interactions that restrict broader claims.

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Ramo de planta com folhas verdes espinhosas e frutos vermelhos diante de livro botânico aberto, almofariz e símbolos de aprovação, alerta e estômago.
Pharmacopoeia & Phytotherapy12/09/2026

Espinheira-santa: what the Brazilian Pharmacopoeia recognizes, official warnings, and what evidence cannot promise

Brazilian official sources recognize traditional use of espinheira-santa for relief of heartburn and dyspepsia, but that is not the same as curing gastritis, reflux disease, or ulc...

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Mesa com plantas medicinais, almofariz, cápsulas, frasco conta-gotas e documentos da Anvisa, com prédio institucional e bandeira do Brasil ao fundo.
Pharmacopoeia & Phytotherapy09/09/2026

Brazil’s 2026 herbal-medicine rules: what changed in simplified registration and what registration alone does not prove

Anvisa’s new framework updated herbal-medicine registration, quality controls, and monographs. Here is what the simplified pathway establishes — and what it does not.

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Livros verdes da Farmacopeia Brasileira sobre bancada com plantas medicinais, almofariz, vidraria de laboratório e bandeira do Brasil ao fundo.
Pharmacopoeia & Phytotherapy08/09/2026

Brazilian Pharmacopoeia 8th edition: what changed for medicinal plants and what it does not prove about efficacy

The 8th edition updates medicinal-plant monographs and methods. Learn how to read the compendium without confusing quality control with clinical efficacy.

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