Glyde Mobility Chews for Dogs uses natural, gluten-free ingredients to promote healthy joints that let your dog do everything he or she loves to do Glyde is the only nutraceutical that contains proven levels of three key components that work to relieve the painful signs of arthritis. New Zealand Green Lipped Mussel (GLM): A powerful anti-inflammatory Glucosamine: Reduces cartilage degradation Chondroitin Sulfate: Helps rebuild cartilage