Pile of dried and shredded yellow Oregon Grape Root on a white background, used for digestive and skin health.

Oregon Grape Root

Also known as: Mahonia aquifolium, Mountain grape, Holly-leaved barberry, Berberis aquifolium

Oregon grape root, derived from the plant Mahonia aquifolium, is a herbal supplement traditionally used in Native American medicine and now gaining popularity for its potential health benefits. This evergreen shrub, native to the Pacific Northwest, is recognized for its bright yellow flowers and dark blue berries, but it is the root that is primarily used for its medicinal properties. The root contains several active compounds, including berberine, which is known for its antimicrobial and anti-inflammatory effects. Berberine has been studied for its ability to support the immune system, aid in...

Potential Side Effects

Side effects score: 3; Oregon Grape Root is a herbal supplement that some people use for its potential health benefits, but it can also have side effects. Commonly reported side effects include stomach upset, nausea, and diarrhea. Some people might experience allergic reactions, such as skin rashes or itching. It can also cause a drop in blood pressure, so individuals with low blood pressure shoul

Health Categories

View efficacy ratings for Oregon Grape Root across multiple health categories.

Research & Evidence

Our efficacy ratings are based on scientific research and clinical studies.

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