Pau D'Arco Information

 Uses of Pau D'Arco

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Most Common Name:Pau D'Arco
Botanical Name:Tabebuia Avellanedae Lorentz
Also Known As (other names):Lapacho, Taheebo

General description:

The Pau D'Arco tree (Tabebuia Avellanedea), a beautiful tree with stunning pink trumpet or lily like flowers, is native to South America. The inner bark is used as the source for Pau D'Arco that contains Lapachol, which was traditionally taken as a tea for many ailments by many of the South American tribes for centuries.

Although the original and traditional use of this herb was exceptionally varied from fevers, pain relief colds and raspatory problems to more severe and often incurable diseases like Cancer, Arhritis and Syphilis, it has lately emerged predominantly as a means of combating Cancer and to stimulate the immune system.

Although this herb was tested and passed by the US Food and Drug Administration it did cause diarrhoea and nausea in some patients that were taking this herb in large quantities.

This Herb is available in capsules, tincture or extract. Do not take this herb without first consulting a doctor or someone else with detailed knowledge of the effects an dosages.


Pau D'Arco Use for/In treatment of:

Infectious diseases Immune function enhancerCandida

Pau D'Arco Properties:

Antibacterial AntifungalAntiviral
AntimicrobialAnti-inflammatory Anti-tumour





Pau D'Arco Constituents:

Below we list reported constituents of this herb. This may not be complete as continuous research constantly discovers new constituents. Where possible we also provide information about constituents and their application, effect and side effects, if any. We do not provide information on the interaction between constituents. We do not give quantities of each individual constituent as these vary considerably due to region and climate. By comparing the treatments above with the constituent benefits below some indication of quantities can be gained.

Lapachol: Lapachol from Pau D'Arco is a Naphthaquinone.

Naphthaquinones: Characterised by their very dark color, naphthaquinones have antimicrobial, anti-tumour and antifungal properties.

Lapachol has been subjected to several studies and tests going back as far as the mid- 1960s and there is significant indications that it is effective as an anti-tumour agent.


Anthraquinones: Occurring mostly as glycosides anthraquinones are brown to yellow pigments traditionally used as fabric dyes.

In experiments it was concluded that Anthraquinones pass through the digestive tract unaltered until they get to the colon where they are converted to Dianthones which are then turned into anthrone which has a laxative effect increasing peristaltic action and inhibiting the absorption of water by the colon.

Anthraquinones are pale yellow thin prisms that are insoluble in water and has caused tumours in rats that have ingested it.

Anthraquinone can cause skin irritation, dermatitis and allergic reactions if applied to the skin.


Flavonoids: Flavonoids occur (as white and yellow plant pigments found almost as commonly as chlorophyll) as Glycosides or in a free state. In plants it is essential for protecting plant tissue from UV radiation and acts as antioxidants. As pigments it is also responsible for Autumn colors in leaves and yellow/red pigmentation in flowers.

Laboratory experiments have been conducted on the beneficiary effect of Flavonoids on the heart and circulatory system. Flavonoids are also used to mitigate stress, especially environmental stress. Flavonoids are often used for their antioxidant effect against free radicals. There are also strong indications that they have antiviral, anti-inflammatory and anti-hypertensive properties but dosage has not been determined which will obviously have a profound effect on their efficacy as a component of this herb.


Coumarins: Coumarins are lactones of hydroxycinnamic acids. Coumarins are lactones. There are many variations of coumarins: Furanocoumarins found in Angelica have a spasmolitic effect but must be used with caution as they have a strong phototoxic effect as has many of the Furanocoumarins (Warfarin a blood thinning drug but also virulent rat poison, is a coumarin derivative). In general coumarins have antifungal, hypotensive, anticoagulant and antimicrobial properties.
Many of the Coumarins are phototoxic and skin sensitising.

Lactones: A lactone is an Ester that's functional group has become part of a ring structure with carbon atoms.

Lactones are widely present in the plant kingdom and many are expectorants and febrifuges.


Benzoic Acid: An aromatic acid (product of the shikimic acid pathway).



Contraindications, do not use if:

causes diarrhoea  
We at Beneforce are certainly not experts in the use of every herb. In our studies and research we do come across warnings that a herb should not be used in certain circumstances or for certain conditions and ailments. Where possible we will reflect these on our pages but cannot guarantee that for any herb our list of contraindications are complete or valid. We urge that you consult an appropriate and knowledgeable practitioner before treatment.
How current is this information?


Pau D'Arco is Administered as/Available in:

Liquid extract Capsules 


What is?

A CompressA DecoctionA Herbal VinegarA Fluid Extract
An InfusionAn OintmentA PoulticeA Powder
A SalveA SyrupA TeaA Tincture


Recommended Reading:



* Statements made have not been evaluated by American Food and Drug Authority or similar board or authority of any other country.
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