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Berberine
Also called: From goldenseal, barberry, and Oregon grape
A bright yellow plant compound studied for blood sugar, insulin resistance, and cholesterol. It interacts with many medicines.
Commonly used for
- Blood sugar and insulin resistance
- Cholesterol
- PCOS (as part of a broader plan)
- Gut balance protocols
Found naturally in
- Barberry, goldenseal, and Oregon grape root (herbs, not everyday foods)
Label red flags
- Proprietary 'metabolic' blends that hide the berberine amount
Check with a provider
- Pregnancy or breastfeeding: avoid
- Taking diabetes medicine (risk of low blood sugar)
- Taking other prescription medicines. Berberine changes how many drugs are processed. Review your list with your provider.
- Digestive upset is common. Take with meals.
Supplements that contain it
Brand nameProduct nameBlood sugar support formulasComing soon
Brand nameProduct nameMetabolic and PCOS formulasComing soon
Brand nameProduct nameGut support formulasComing soon
Brand nameProduct nameBlood sugar support formulasComing soon
Brand nameProduct nameMetabolic and PCOS formulasComing soon
Brand nameProduct nameGut support formulasComing soon
Parts of the body it affects
Explore what each area does and the conditions that can affect it.
Pancreas
Your pancreas makes digestive enzymes and the hormones insulin and glucagon, which keep blood sugar steady.
Digestive tract
Your stomach and intestines absorb nutrients and hold most of your body's immune tissue, which makes the gut a common target in autoimmune disease.
Illustrations: Servier Medical Art, CC BY 4.0
Wondering if your symptoms fit a pattern?
Dr. Lesher is a naturopathic doctor who specializes in women's autoimmune and chronic conditions. Since 2020, she has helped more than 900 patients overcome and heal from their conditions.