VetriScience Laboratories - GlycoFlex 3 Hip and Joint Supplement for Small Dogs, 60 Bite Sized Chews No Fabric The GlycoFlex Joint Support Stages system has been trusted and recommended by veterinarians for over 30 years. GlycoFlex has been Clinically proven to increase hind leg strength in 4 weeks GlycoFlex 3 bite sized chews are naturally flavored with real chicken liver. Joint Support that is balanced and proportioned for small dog breeds. VetriScience products are manufactured in the U.S.A. and are backed by a 100% Satisfaction Guarantee. Packaging may vary.