Research Library
Every article, evidence-tagged
Every article is tagged by evidence tier — Traditional Use, Lab, Animal Study, or Human Trial — and cites its sources directly.
Sourcing & Quality
Why the Inner Bark of Pau d'Arco Is Important
The anatomy of the Pau d'Arco tree, why the phloem (inner bark) concentrates the active compounds, and how to tell it apart from outer bark filler.
3 min read
Active Compounds
What Scientific Research Says About Pau d'Arco
A broad survey of the published research on Pau d'Arco — antimicrobial, anti-inflammatory, antioxidant, and cancer-cell research — organized by evidence tier rather than by how exciting each finding sounds.
4 min read
History & Traditional Use
The Secret of the Incas: The Traditional Roots and History of Pau d'Arco
The Kallawaya healers, the Inca Empire, and how Pau d'Arco's traditional reputation as a 'cure-all' developed over 1,500 years — traditional history, not a clinical claim.
3 min read
History & Traditional Use
Pau d'Arco Through the Ages: From Indigenous Medicine to Modern Wellness
From bow-making wood to a 1960s NCI research subject to today's wellness market — the full historical arc of Pau d'Arco, with the 1960s clinical-interest period clearly separated from the traditional-use period.
3 min read
Safety & Side Effects
Pau d'Arco Side Effects and Safety: What You Need to Know
The documented side effects, drug interactions, and who should avoid Pau d'Arco entirely — grounded in the same lapachol research that makes the plant interesting in the first place.
3 min read
Immune & Antimicrobial
Pau d'Arco Essential Health Benefits
A foundational overview of Pau d'Arco's botany, chemistry, and the three broad areas of studied biological activity — antimicrobial, anti-inflammatory, and immune-modulating.
3 min read
Inflammation
Pau d'Arco and Inflammation
The signaling pathways Pau d'Arco compounds have been studied against — NF-κB, COX-2, and joint-cartilage enzymes — and what tier of evidence backs each one.
3 min read
Gut & Candida
Pau d'Arco and Gut Balance
How Pau d'Arco's antimicrobial and anti-inflammatory compounds relate to gut dysbiosis, and what's traditional use versus laboratory evidence.
3 min read
Gut & Candida
Pau d'Arco and Candida: A Natural Antifungal Solution?
The mechanisms behind Pau d'Arco's antifungal reputation, what's actually been studied against Candida, and where the evidence is thinner than the marketing suggests.
3 min read
Cancer Research
Pau d'Arco and Cancer: Exploring the Research & Evidence
What the laboratory, animal, and early human research actually says about lapachol, beta-lapachone, and Pau d'Arco's studied anticancer mechanisms — and what it doesn't say.
5 min read
Active Compounds
Lapachol and Beta-Lapachone: The Main Compounds in Pau d'Arco
A close look at the two naphthoquinones behind Pau d'Arco's studied biological activity — what each one does mechanistically, and why the isolated compound behaves differently than the whole bark.
3 min read
Sourcing & Quality
How to Source High-Quality Pau d'Arco: The Inner Bark Guide
Why the price gap between Pau d'Arco products is so wide, what the label should say, and how to tell true inner bark from filler.
4 min read
Brewing
How to Brew Pau d'Arco Tea Correctly
A step-by-step guide to the decoction method — why steeping under-extracts Pau d'Arco's active compounds, and how to brew a proper batch.
3 min read