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Last Updated May 3rd 2022, 12:41:16 am


Guayusa (Ilex guayusa Loes.) is grown in the Amazonian territories of southern Colombia, northern Peru, and Ecuador.


The main compounds present in the guayusa extracts were caffeine, squalene and -amyrin.[1]

Healing Properties



Some extracts obtained from guayusa leaves showed antifungal activity.[1:1]

Disease / Symptom Treatment

Adverse Affects

Synergistic Effects

  1. Title: A critical review of the composition and history of safe use of guayusa: a stimulant and antioxidant novel food
    Publication: Critical Reviews in Food Science and Nutrition
    Date: August 2019
    Study Type: Review
    Author(s): Graham Wise & Adam Negrin
    Institution(s): University of Wisconsin-Milwaukee, USA; Lehman College, Bronx, New York, USA
    Copy: archive, archive-mirror ↩︎ ↩︎