Tyson Foods, Springdale, AK, has signed an exclusive agreement with Active Life Foods, Boulder, CO, to produce and market cartilage products that deliver a natural source of glucosaminoglycans, including chondroitin sulfate and glucosamine. These ingredient products will be marketed to manufacturers of human supplements as well as to suppliers of companion animal foods and supplements. The Active Life technology offers a method for delivering joint care benefits to humans and companion animals using processed cartilage.