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Home/Goals/Immune support/Californian Black Oak

Californian Black Oak for Immune support

Quercus kelloggii

Californian Black Oak has been traditionally used in Native American medicine to support immune health, often prepared as a decoction. The tannins and flavonoids present may help modulate inflammatory responses. Evidence rated moderate (d = 0.30).

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Quercus kelloggii (Californian Black Oak) — botanical photograph
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How it works mechanism

Tannins and flavonoids found in oak species have anti-inflammatory properties that can help regulate the body's response to pathogens without suppressing beneficial immune activity.
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Frequently asked

Is Californian Black Oak effective for Immune support?

Californian Black Oak has been traditionally used in Native American medicine to support immune health, often prepared as a decoction. The tannins and flavonoids present may help modulate inflammatory responses. Evidence is rated moderate with an effect size of d=0.30. See the Evidence section above for cited sources.

How does Californian Black Oak compare to other plants for Immune support?

See the alternatives section above — we list other species with documented effects on Immune support, 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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