· PREMIUM VET FORMULATED JOINT SUPPORT: These dog hip and joint supplement chews deliver essential Glucosamine Chondroitin duo to promote joint health across all dog breeds· OPTIMSM FOR MUSCLE SUPPORT: With 1000 mg per 2 chews, this dog joint supplements includes OptiMSM distilled for purity, providing superior muscle support to keep your pet active and healthy throughout their life· PLUS BIOVAPLEX: These soft chews include this advanced eggshell membrane, which is clinically shown to support healthy joint mobility, along with normal healthy cartilage and connective tissues.· GLUCOSAMINE FOR JOINT HEALTH: Every chew in these Zesty Paws mobility bites contains Glucosamine HCl to help lubricate joints and maintain tissue health, enhancing comfort and mobility for your canine companion· PREMIUM SERRAZIMES: This protease blend helps support healthy joints and muscles for pets by breaking down fibrin, which is associated with inflammation from normal daily exercise and activity.