From the Manufacturer's Label:
Cartilage is one of the primary connective tissues of the body, providing flexibility and support to bone joints.** Undenatured Type II Collagen is the principal structural protein in cartilage that is responsible for its tensile strength and toughness. Derived from chicken sternum cartilage, UC-II® consists of Undenatured (native) Type II Collagen that works with the immune system to support healthy joints and promote joint mobility and flexibility. ** UC-II® has a patent protected composition. NOW® UC-II® is enhanced with Aquamin® Red Algae Minerals, a natural source of calcium and over 70 trace minerals.
Manufactured by NOW®.Contains no sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives.