Guayusa upina #ecuador #phd #university #oxford

Guayusa is a caffeinated herbal infusion from Ecuadorian holly leaves, not a tea, providing balanced energy without jitters. It is a cousin of Yerba Mate.

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One of four known caffeinated holly trees, the leaves of the guayusa tree are harvested fresh and brewed like a tea for their stimulative effects.

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For the Kichwa, Guayusa is an ancient ritual, connection, medicine, and livelihood. It's used in morning rituals, for health, and as a source of income.

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Guayusa tea is an herbal tea made from the leaves of the holly tree known as Ilex guayusa, which is native to Ecuador.

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by P Noriega · 2025 · Cited by 1 — Guayusa infusion has been used to treat infertility since the earliest records of its use [2]. Its efficacy has been evaluated in ethanolic ...

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19 Dec 2019 — Guayusa is native to the Amazon rainforest and harvested primarily in Ecuador. Its leaves are typically brewed to make tea and touted for ...

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Guayusa comes from the Ecuadorian Amazon, used medicinally for 1500 years, and is now a primary income source for Kichwa communities.

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Guayusa can be prepared from fresh or dry leaves. Packs of dried leaves sold in rings (Tena's version of the Hawaiian lei) can be found at the Tena markets.

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by P Noriega · 2025 · Cited by 1 — Guayusa infusion has been used to treat infertility since the earliest records of its use [2]. Its efficacy has been evaluated in ethanolic extracts by oral ...

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