Important supplement in type II diabetes. Cholesterol, preventive of heart disorders. Weight control. Berberine is a yellow alkaloid that is normally extracted from the Berberis aristata plant, from India, or from Berberis aquifolium, from China. This plant has been used since ancient times in both medicines (Chinese and Ayurvedic) for various conditions, including type II diabetes. It has also been used as a yellow dye. Take 1 capsule a day, at noon, before meals. If necessary, you can take 2 capsules a day, one in the morning and one in the evening. Be