Did you know that cats can get Arthritis too? Inflammation of the joints or Arthritis can be caused in cats after a period of weight gain or when cats eat a high liver diet. Cats can get addicted to liver and high doses of Vitamin A present in liver can cause their joints to become arthritic. Products such a Joint Guard for cats, Seaflex or Paw Osteosupport have been formulated either with zero taste or as an easy to dose kibble to suite cats that may be hard to dose by mouth.