Glycoflex products include natural ingredients which help to support joint health for your pet throughout its life glyco flex i for cats is made from pure freeze dried perna canaliculus new zealand green lipped mussel perna contains all major classes of glycosaminoglycans gags including chondroitin 4 and 6 sulfates gags are referred to as the quotglue of lifequot and make up the core of all connective tissue the perna in glyco flex i for cats is also rich in amino acids naturall