GlycoFlex® Plus provides dogs under 30 pounds with ultimate strength joint support and is clinically proven to increase hind leg strength by up to 41% in just four 4 weeks.* It combines 11 active ingredients, including Perna canaliculus, chondroitin sulfate, glucosamine, MSM and antioxidants to support your dog’s joints and connective tissue. GlycoFlex® Plus is recommended by veterinarians for active, competitive and senior dogs suffering from occasional discomfort and mobility issues as a result of a joint condition. GlycoFlex® Plus is made with naturally sourced ingredients in a delicious duck-flavored chew dogs love!