Vetzyme high strength flexible joint has been specifically formulated to help maintain pain-free, supple and mobile joints, helping to ensure that your dog has a better quality of life as it enters its golden years. Vetzyme High Strength Flexible Joint are supplements formulated ...Vetzyme high strength flexible joint has been specifically formulated to help maintain pain-free, supple and mobile joints, helping to ensure that your dog has a better quality of life as it enters its golden years. Vetzyme High Strength Flexible Joint are supplements formulated especially to help keep your dog's joints strong and healthy; they not only promote healthy and flexible joints but can also ease their pain if your pet is already suffering from joint related pain.