BerberineA versatile botanical compound with wide application 500 mg Berberine HCl per capsule higher amount to help maintain healthy blood sugar metabolism* supports healthy lipid levels* provides cardiovascular support* a constituent of many herbs, including barberry (the source in this product), Oregon grape, goldenseal, and Coptis Ingredients Berberine HCl (from Indian Barberry extract) (root) (Berberis aristata) 1 g Berberis Concentrate Berberine HCl 85%.