Oregon Grape
10 foods contain this ingredient
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About Oregon Grape
Oregon Grape is a berberine-containing botanical, not a true grape, added to some pet supplements for its plant alkaloid content.
Oregon Grape is used in pet supplements and some specialty foods as a botanical ingredient for its medicinal properties—particularly the alkaloid berberine—which has antioxidant, antimicrobial and liver-supportive effects rather than providing meaningful protein, fat or carbohydrate nutrition. It may help support digestive and immune health in small, controlled doses, but can cause gastrointestinal upset, interact with medications, and has limited safety data (notably in pregnant/nursing animals and cats), so use should be guided by a veterinarian.
Related ingredients
- Derived from
- root and bark of Mahonia aquifolium (a barberry family shrub)
- Primary role
- botanical source of berberine
Why it's used
Formulators reach for Oregon Grape as a berberine source because the alkaloid is often positioned as a substitute for goldenseal, a related berberine-containing plant that has become less commercially available due to wild-harvest pressure. It appears almost exclusively in supplements or specialty formulas rather than mainstream pet food, and it contributes negligible protein, fat, or carbohydrate.
Common concerns
- Limited veterinary evidence base Much of what is published on berberine's antimicrobial and digestive effects comes from human or in vitro research and from holistic-practice sources rather than controlled veterinary trials in dogs and cats, so the evidence specific to companion animals is thin.
- Use in animals with liver disease or diabetes Sources discussing Oregon Grape and berberine consistently flag avoiding use in animals with pre-existing liver disease or diabetes and in pregnant or nursing animals, since berberine is hepatically metabolized and interacts with glucose regulation.
- Medication interactions Berberine is discussed as having the potential to interact with other medications, which is a reason sources recommend veterinary guidance before combining it with a pet's existing treatment plan.
Common Questions
What category is Oregon Grape?
Oregon Grape is categorized as a herb ingredient in the KibbleLab database.
Is Oregon Grape part of an allergen group?
No allergen group is linked to Oregon Grape in the KibbleLab database.
Which foods contain Oregon Grape?
10 foods in the KibbleLab database contain Oregon Grape, including Earth Animal, NaturVet, Only Natural Pet.
Foods with Oregon Grape
Alphabetical by brand. Scores run 0 to 10, higher is better, on published veterinary science.
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