An all natural joint supplement for Dogs and Cats. It was formulated to address the cause of the problem, not just the symptoms associated with arthritis and joint injuries. This popular supplement now has Glucosamine HCL and Ester-C Calcium Ascorbate to provide the highest level of joint support for dogs and cats. ArthriSoothe contains chondroitin sulfate and green lipped mussel that are proven to help the body regenerate cartilage & synovial fluid, as well as natural anti-inflammatories, and anti-oxidants.