Veterinary Products Laboratories Duralactin Canine and Feline Nutritional Liquid, 8-Ounce Contains Omega 3 and Omega 6 fatty acids to maintain your pet's joint health! Microlactin protein helps reduce the symptoms of arthritis and other inflammatory joint conditions without harmful side effects Provides relief for pets who have trouble standing or walking, limping or favoring a leg, or are moving with stiffness or seemingly sore joints