Cartilage is one of the primary connective tissues of the body, providing flexibility and support to bone joints. &ampnbsp;Undenatured Type II Collagen is the principal structural protein in cartilage that is responsible for its tensile strength and toughness. &ampnbsp;Derived from chicken sternum cartilage, UC-II&ampreg; consists of Undenatured (native) Type II Collagen that works with the immune system to support healthy joints and promote joint mobility and flexibility. &ampnbsp;UC-II&ampreg;'s patent protected composition has demonstrated its efficacy in human clinical studies. &ampnbsp;NOW&ampreg; UC-II&ampreg; is enhanced with Aquamin&ampreg; Red Algae Minerals, a natural source of calcium and over 70 trace minerals.*