Mahonia aquifolium
Pacific Northwest berberine source — sustainable alternative to Goldenseal. For psoriasis (topical), liver support, and infections. Contains berberine, berbamine, and oxyacanthine. Oregon state flower.
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Diabetes meds, CYP enzymes, cyclosporine, blood thinners.
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GI upset, nausea. Yellow staining. Photosensitivity.
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