Canadian Brand. New Zealand Green Lipped Mussels (Perna canaliculus) are a natural food supplement that may help in the improvement of joint health and function in your dog. This 100% natural, whole-food supplement is packed with Omega 3s, glucosamine, and chondroitin. A growing body of research has shown that added to your dog's diet regularly, Green Lipped Mussel powder may help improve mobility and reduce pain from inflammation of the joint due to arthritis.