If you're trying to decide between Pau d'Arco tea and capsules, here's what we think and why.
Pau d'Arco / Taheebo tea is not made from a flower or leaf. The tea is made from the dense, woody inner bark of the Tabebuia impetiginosa tree. Unlike more delicate plants, bark requires a specific and longer brewing time to extract its active compounds. The correct method is a decoction — three tablespoons of bark simmered in water, lid on, for 25 minutes at a low rolling boil.
This matters because the published research on pau d'arco was conducted using exactly this kind of preparation. A 2008 study in the Journal of Ethnopharmacology tested a water extract of taheebo inner bark and found significant anti-inflammatory effects in both cell studies and live animal models. A 2006 study in the same journal found that inner bark extracts showed antibacterial activity against Helicobacter pylori, matching or outperforming standard antibiotics in lab tests. A 2017 study in BMC Complementary Medicine gave taheebo water extract orally to mice and found it reduced intestinal inflammation — taheebo water extract taken by mouth producing measurable results in a live animal model is about as close to drinking the tea as a controlled study gets.
There's a claim circulating online that pau d'arco compounds don't extract well in water. What those sources are actually describing is cold water, or briefly steeping bark the way you would a regular tea bag. A proper 25-minute decoction is a different process, and it's the one that appears consistently across the research.
Capsules work differently. Bark is ground into powder, compressed into a pill, and your stomach acid does the extracting. That process hasn't been studied in any meaningful way. There's no research comparing capsule absorption to a traditional tea preparation, so we simply don't know how the two compare.
There's also a product quality issue worth knowing about. WebMD and PeaceHealth both flag this based on peer-reviewed findings — many commercial pau d'arco capsules and tablets lack meaningful amounts of the active naphthoquinones. Some use the wrong species. Some mix outer bark with inner bark to cut costs. With bark you brew yourself from a verified source, you can see exactly what went into the pot.
Taheebo Wellness tea comes from one supplier in Brazil, certified by IBAMA - Brazil's Ministry of the Environment - and third-party tested for species authenticity, purity, heavy metals, and contaminants before it ships. Pure inner bark. Nothing added.
Brewing Taheebo Tea also gives you full control over dosage. You can start with one cup a day for general wellness and adjust based on how you feel. When Julien was diagnosed with advanced cancer in 2018, the wellness professionals we trusted all recommended Taheebo tea — not capsules. The conversation was always about fresh bark, brewed properly. He started at three cups a day and built up to seven. That kind of adjustment isn't practical with a fixed-dose capsule.
Capsules do have real advantages. They cost less per day than tea at lower doses, and they're more convenient — no pot, no strainer, no 35 minutes. If you travel often or simply can't build a brewing routine into your week, capsules are a practical option. If the choice is capsules or nothing, take the capsules — just look for a brand that names the species, specifies pure inner bark, and provides third-party testing.
If you can brew it, we'd recommend brewing it. The research on this plant is built on water-based bark preparations, and that's been the traditional method for centuries. It's what Julien drank during his recovery, and it's what we both still drink every morning.
- Melissa
How to brew Taheebo tea → Our story →
For educational purposes only. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement.