VetriScience Laboratories GlycoFlex 1, Hip and Joint Supplement for Dogs, 120 Bite Sized Chews The GlycoFlex Joint Support Stages system has been trusted and recommended by veterinarians for over 30 years. Recommended for puppies and dogs that may have a pre disposition to joint health issues including hip dysplasia and degenerative joint disease. Available in a chicken liver flavored bite size chew that provides the early joint support your dog needs in a treat like form. Active ingredients include glucosamine, GlycOmega brand green lipped mussel and our own patented DMG for better absorption and immune support. VetriScience products are manufactured in the U.S.A. and are backed by a 100% Satisfaction Guarantee.