Cat's Claw or Una de Gato (Uncaria tomentosa) is an herb that grows wild in the highlands of the Peruvian Amazon. The native Ashanica Indians have used the inner bark of cat's claw for possibly thousands of years. Recent research in Europe and China has identified the alkaloid compounds in cat's claw that possess antioxidant properties. Allergy Research Group cat's claw is derived from only the inner bark. Serving Size: 2 Capsule Servings Per Container: 30 Amount Per Serving: Cat's Claw (Inner Bark) Extract 4:1 1.13 g Other Ingredients: Hydroxypropyl methylcellulose, microcrystalline cellulose, L-leucineAs a dietary supplement, 1 or 2 capsules two or three times daily with meals, or as directed by a healthcare practitioner.Not recommended for pregnant or nursing women, women intending to become pregnant, or organ transplant recipients. Variations in product color may occur.Keep in a cool, dry place, tightly capped.