Barberry

Barberry has been used for centuries in traditional medicine systems around the world. Its active ingredient is the alkaloid berberine, which has had beneficial effects on blood sugar, blood pressure, and PCOS in clinical studies. Barberry is often to used to alleviate diarrhea.
According to traditional medicine, B. vulgaris is used to treat fever, cough, liver disease, depression, hyperlipidemia, hyperglycemia and bleeding (14, 15). Over 500 plants from genus Berberis are accessible to people across the world with four pharmaceutical organs being used to treat different diseases.
Barberries are the tart, red berries of the Berberis vulgaris plant. They contain a unique compound called berberine, which acts as an antioxidant. It may help improve blood sugar control, treat diarrhea, and fight inflammation related to dental infections and acne.