HerbMate Library

Oregon Grape Root

Mahonia aquifolium (formerly Berberis aquifolium)
rootberberineskindigestionhigh-cautionshort-term

Oregon grape root is a berberine-containing bitter root used traditionally for digestive support and skin-related wellness routines. It can be effective for some people, but it also has meaningful medication interaction potential. Best used short-term, in targeted contexts, and not during pregnancy.

Key Benefits

Common Issues It May Help With

How To Use (Simple)

Taste / Notes

Very bitter, yellow-alkaloid taste.

Evidence Level

Berberine-type compounds have evidence for certain metabolic and antimicrobial-related effects, but product quality and dosing vary. Best framed as supportive and short-term.

Cautions

Avoid during pregnancy/breastfeeding. Can cause GI upset. Do not use long-term daily without clinician guidance. If you have liver disease or take many medications, consult a clinician first.

Interactions

May interact with many medications via metabolism/transport effects (consult clinician/pharmacist) Additive blood sugar lowering with diabetes medications (monitor) Use caution with anticoagulants/antiplatelets and blood pressure medications

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