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Guayusa (Ilex Guayusa) Leaf Extract

Guayusa is a caffeinated leaf from the holly tree native to the Amazon rainforest, traditionally consumed as a tea. The extract is concentrated in caffeine, polyphenols, and other bioactive compounds, often used in energy drinks or supplements for its stimulating effects.

Mineral or nutrientUpdated Apr 25, 2025
Health score+1.0
-5Good5

Water guidelines

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Food and supplement guidelines

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Risks

Caffeine-related side effects (anxiety, heart palpitations, insomnia), possible elevated blood pressure, insufficient long-term safety studies

Benefits

Antioxidant effects, mild cognitive enhancement, increased alertness, potential anti-inflammatory effects

References

Waters containing Guayusa (Ilex Guayusa) Leaf Extract

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