The Essentials

A heap of dried red barberries spread on a white plate, each berry small, wrinkled and jewel-red — Dried zereshk should stay bright red — dull brown berries are old stock.

Culinary zereshk on rice is the Persian everyday dose — gentle and food-safe.

Concentrated berberine extracts (500 mg × 2–3/day) are clinical-strength — coordinate with a clinician.

Tart flavor naturally cuts the heaviness of rich kebab, butter-rich rice, and fried foods.

Zereshk is the little dried berry scattered over Persian zereshk polo. Its sharp taste comes with plenty of antioxidants and berberine, a yellow plant compound with some of herbal medicine's strongest evidence for blood sugar, cholesterol, and gut health.

Known to botanists as Berberis vulgaris.