Arthro-Ionx Pet Arthritis Medicine for Dogs and Cats. Natural Homeopathic Medicine Starts Relieving Dog and Cat Arthritis Pain Immediately, Enhances Pet Mobility and Flexibility, and Boosts Pet Energy Level. Buy 3 Bottles Get 2 Free - Direct from Manufacturer. Starts relieving your dog or cat's arthritis pain immediately. Restores your dog or cat's mobility and flexibility. Boosts your dog or cat's energy and vitality levels. Activates the healing process in your dog or cat's body. Works safely and naturally with no negative side effects.