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Joint Health and Mobility40 mg Per CapsuleDietary SupplementKeep your joints working comfortably with the patented nutrition of UC-II® Standardized Collagen. Awarded four U.S. patents for use in promoting joint health UC-II is the only type II collagen supplement that's undenatured retaining its original molecular structure. 40 mg UC II standardized cartilage (collagen with undenatured type II collagen) per serving.