Barberry is a red fruit that rich in useful herbal compounds such as berberine. Berberine is an alkaloid that Alkaloids have medical proven health effects. Impressive health benefits of barberry on body . The berberine in barberry can decrease the amount of blood sugar in the body of patients who has diabetes and can help to keep it in average rate . the barberry has beneficial effects on renal patients especially whom have kidney stone.Barberry can change the PH of urine so the possibility of recurrence of some renal stone will be decreased. Also barberry is a rich source of vitamin C, vitamin B like thiamine and zinc.