Arthriaid Omega cat gel isuniquely combines high strength Glucosamine, Chondroitin and MSM plus essential co-factors that help aid in the manufacture of new cartilage and synovial fluid leading to joint mobility. It contains Omega 3 fatty acids to help lubricate the joints for mobility. ArthriAid Omega Gel for Cats is a gel formulation especially for cats. This can be applied to the back of their paw and they will lick it off.