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Pau d'Arco
紫葳 (Zǐ Wēi) · Tabebuia impetiginosa
Inner bark of a Brazilian tree with lapachol and beta-lapachone compounds. Used traditionally for infections, candida, and inflammation. Limited clinical trials but extensive traditional use.
Good For
Key Benefits
May support immune system function
Traditionally used to strengthen defensive qi and resistance to illness
How to Take
Safety & Interactions
Possible Side Effects
- Digestive discomfort at higher doses
- May cause drowsiness or stimulation depending on the herb
- Allergic reactions possible in sensitive individuals
Do Not Use If
- Pregnancy and breastfeeding (insufficient safety data)
- Children under 12 without professional guidance
- Scheduled surgery (stop 2 weeks before)
Drug Interactions
- May interact with prescription medications
- May affect blood sugar or blood pressure medications
- Consult pharmacist before combining with other supplements
Traditional Use
In Traditional Chinese Medicine, 紫葳 (Zǐ Wēi) has been used for centuries. TCM practitioners use it to reinforce the body's defensive energy (wei qi).
Modern Research
Research is still emerging for this herb. Most evidence comes from animal studies, in-vitro experiments, and traditional use records. Limited clinical trial data is available. The herb shows promise but requires more rigorous human studies to confirm efficacy.
View all studies on PubMed for Tabebuia impetiginosa →Where to Buy
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