Herbarium of the Ancients — Detailed Record

Ilex guayusa

Please read before use: the information below describes traditional and informational uses — it does not replace the advice of a healthcare professional. If in doubt, during pregnancy or breastfeeding, while on medication, or for use in children, seek advice before use.

Enhanced precautions for this plant: Naturally contains caffeine: avoid in the evening or if sensitive to stimulants. Not recommended during pregnancy and breastfeeding due to insufficient data. Not recommended for children or individuals with heart conditions or hypertension without medical advice. Possible interactions with certain medications (stimulants, anticoagulants): consult a healthcare professional.

Infusion — Leaves

Traditional morning infusion

Dried or lightly toasted fresh leaves are infused in simmering water for several minutes, similar to tea. This preparation was consumed early in the day by Amazonian communities. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.

Decoction — Leaves

Traditional forest decoction

Leaves were sometimes simmered for longer periods in water during communal vigils, producing a stronger beverage. It is recommended to consult a professional before any regular consumption. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.

Where to find it

Obtaining the plant

Guayusa can be found in dried leaf form at certain herbalist shops specializing in Amazonian plants or through fair-trade suppliers; the tree itself does not grow naturally outside its native tropical range.

Harvest season

When to harvest it

Leaves are traditionally gathered year-round in the Amazon rainforest, with harvesting done as needed rather than according to a specific season.

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