Herbarium of the Ancients — Detailed NotebookFR · EN

Cat's Claw

Uncaria tomentosa
Read before use: the information below describes traditional and informational uses — it does not replace the advice of a healthcare professional. In case of doubt, pregnancy, breastfeeding, ongoing treatment, or use in children, seek advice before use.
Enhanced precautions for this plant: Not recommended for pregnant or breastfeeding women due to its traditional use related to hormonal properties and insufficient safety data. Avoid when taking immunosuppressive or anticoagulant treatments, or before surgery, due to possible interactions. Not recommended for people with autoimmune diseases or clotting disorders without prior medical advice. Prolonged or high-dose use is not documented as safe: professional advice is recommended before any course of treatment.
Decoction — Vine bark

Traditional bark decoction

The dried and crushed bark was brought to a boil in water and then simmered for a long time, according to traditional Amazonian practices. This preparation requires professional advice before consumption, due to known interactions and contraindications. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.

Tincture — Vine bark

Bark tincture

The bark is macerated in alcohol for several weeks to extract the active principles, a more recent method derived from South American traditional uses. This concentrated form requires the guidance of a qualified healthcare professional. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.

Powder — Dried and ground bark

Bark powder

The dried bark is ground into a fine powder, traditionally incorporated into preparations or infusions by local healers. Medical advice is recommended before regular use, as dosage varies greatly depending on commercial preparations. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.

Where to find it

Obtaining the plant

Cat's Claw is mainly found in specialized herbal shops or as standardized supplements, with raw bark rarely available outside its native Amazonian and Andean range.

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