Description Cat's Claw Extract is standardized to 4% alkaloids (measured as isoteropodine) from the bark of wild-harvested plants in Peru and Brazil. It is a popular South American folk medicine commonly used as a tonic to promote well-being. SATISFACTION GUARANTEED. Freshness & safety sealed with printed outer shrinkwrap and printed inner seal. Did You Know? Nature's Way Standardized Cat's Claw extract is a technically advanced herbal product. Standardization assures specific measurable levels of important compounds that provide beneficial activity in the body. Suggested Use Take 1 capsule two times daily with water between meals. Supplement Facts Supplement Facts Serving Size 1 Capsule Servings Per Container 60 Amount Per Serving % Daily Value Cat's Claw, dried extract (bark) standardized to 4% alkaloids 175 mg ** Cat's Claw (bark) 160 mg ** ** Daily Value not established Other Ingredients Millet, Gelatin (capsule). Warnings Women should discontinue use while pregnant or lactating.