Description Berberine belongs to a class of naturally occurring alkaloids found in the roots, rhizomes, and stem bark of a number of plant species. Studies with berberine in people with diabetes show that it exerts multiple beneficial effects on glucose and lipid metabolism.* Derived berberine is provided as berberine hydrochloride, the best studied form. Ingredients Serving size: 2 Capsule Servings per container: 60 Ingredient Quantity Phellodendron amurense bark 500 mg Berberine HCl 500 mg Other Ingredients: Microcrystalline cellulose, vegetarian capsule (hydroxypropyl methylcellulose, water), stearic acid and silicon dioxide. Suggested Use:Adults: 2 capsules, 1 to 2 times daily or as directed by a healthcare professional.Serving Size: 2 CapsulesAmount Per ServingBerberine ... 500mg(as berberine HCl) ( from Amur cork tree) (Phellodendron amurense)(bark))Other Ingredients: Microcrystalline cellulose, vegetarian capsule (hydroxypropyl methylcellulose, water), stearic acid and silicon dioxide.Does not contain: Milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, yeast, artificial colors, flavors, or preservatives. Warnings Consult with your physician if you are pregnant or nursing, or have any medical condition, or taking prescription drugs, or under the age of 18. Keep out of reach of children.