This bitter yellow plant compound may help regulate blood sugar
Sanlier N, Ozler E, Karanfil N
Medicinal Plants
The barberry shrub many gardeners grow for its fall color and thorny hedging has roots and bark packed with a compound now being studied for diabetes and cholesterol management.
Berberine is a bright yellow substance found in the roots, bark, and stems of several plant families, including barberry and goldenseal relatives. Scientists have found it can help the body respond better to insulin, slow down sugar production in the liver, and support healthier gut bacteria, which is why it's being explored for conditions like diabetes, obesity, and heart disease. It appears generally safe, but the review's authors warn that its benefits don't apply equally to every health condition it's been tested for.
Key Findings
Berberine concentrations are significantly higher in bark and root tissue than in other plant parts across five plant families (Berberidaceae, Ranunculaceae, Menispermaceae, Papaveraceae, Rutaceae).
The compound improves insulin sensitivity, inhibits hepatic gluconeogenesis, and modulates gut microbiota, supporting its use in diabetes and metabolic disease management.
Berberine shows pharmacological activity across multiple disease categories, including antitumor, antibiotic, analgesic, antihyperlipidemic, and anti-inflammatory effects, though researchers caution against overgeneralizing its preventive benefits.
chevron_right Technical Summary
Berberine, a yellow compound found in barberry and related plants, shows promise for managing blood sugar, cholesterol, weight, and gut health, though researchers caution against treating it as a cure-all.
Abstract Preview
Original paper
Potential Health Effects of the Natural Alkaloid Berberine: A Narrative Review.
Berberine is a bioactive compound found in the rhizomes, stems, and fruits of plants belonging to the Berberidaceae, Ranunculaceae, Menispermaceae, Papaveraceae, and Rutaceae families. Although ber...
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Berberis, commonly known as barberry, is a large genus of deciduous and evergreen shrubs from 1–5 m tall, found throughout temperate and subtropical regions of the world. Species diversity is greatest in South America and Asia, but native species also appear in Europe, Africa and North America.