Ilex Guayusa
The comprehensive knowledge portal about the Amazon plant with natural caffeine and L-theanine
Guayusa (Ilex guayusa) is an evergreen tree species from the holly family (Aquifoliaceae), cultivated for millennia by indigenous peoples in the Amazon region. This scientifically founded encyclopedia provides comprehensive information on botany, history, chemical composition, health effects, and economic significance.

Discover Guayusa
Dive into the fascinating world of Ilex guayusa - from botanical basics to scientific research and practical applications.
Scientifically Founded
All information on this website is based on peer-reviewed scientific publications and transparently provided with source references.
Partner projects
Related knowledge portals and brands from our network.
All links lead directly to the respective projects.