GlycoFlex 2 provides quality preventative support for dogs that are extremely active, helping keep joints cushioned and lubricated during activities that may put stress on them. GlycoFlex 2 includes proven joint support ingredients: glucosamine, MSM and GlycOmega Brand perna canaliculus. Recommended for active dogs, competitive dogs, dogs showing signs of slowing down and dogs that are recovering from orthopedic surgery. 120 Easy to administer chicken liver flavored bite size chews All VetriScience products are veterinarian formulated and approved by our veterinary review board. VetriScience products are manufactured in the U.S.A Product description Size:II GlycoFlex 2 Hip and Joint Supplement for Dogs represents the second stage in our comprehensive line of joint care products. Recommended by veterinarians, GlycoFlex 2 is the right choice for dogs that are slowing down or showing signs of fatigue or weakness in their hind quarters. GlycoFlex 2 includes perna canaliculus and glucosamine for joint structure support as well as MSM for discomfort. For active dogs or lap dogs GlycoFlex 2 helps alleviate joint discomfort associated with day to day activities.