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California Scrub Oak for Digestion

Quercus durata · Fagaceae

California Scrub Oak has been traditionally used in Native American medicine for digestive issues, similar to other oak species. A decoction of the bark or leaves may help soothe an upset stomach and reduce bloating. Evidence rated moderate (d = 0.30).

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Quercus durata (California Scrub Oak) — botanical photograph
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How it works mechanism

The tannins present in oak species can have astringent effects on the gastrointestinal tract, helping to reduce inflammation and ease discomfort associated with digestive issues. However, the specific mechanism for digestion support is not fully characterised.
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Frequently asked

Is California Scrub Oak effective for Digestion?

California Scrub Oak has been traditionally used in Native American medicine for digestive issues, similar to other oak species. A decoction of the bark or leaves may help soothe an upset stomach and reduce bloating. Evidence is rated moderate with an effect size of d=0.30. See the Evidence section above for cited sources.

How does California Scrub Oak compare to other plants for Digestion?

See the alternatives section above — we list other species with documented effects on Digestion, ranked by evidence quality.

Is this medical advice?

No. This is educational reference. Always consult a healthcare professional before using any herbal preparation, especially alongside prescription medication.

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