All Ages With OptiMSM Glucosamine, Chondroitin & MSM Supports Hip & Joint Health Promotes Lubrication & Strength Encourages Flexibility & Comfort With Yucca Extract, Vitamin E & Kelp Dietary Supplement Made With Natural Ingredients Good Manufacturing Practice - GMP - Consistent Quality Zesty Paws Mobility Bites are chewable treats packed with premium ingredients that help support comfort and mobility for the hips and joints. Glucosamine HCL: A powerful compound that can help cushion and lubricate joints to encourage flexible movement. Chondroitin Sulfate: A mobility-boosting substance that promotes proper cartilage and joint structure. OptiMSM: A GRAS-designated form of MSM that undergoes a proprietary multi-stage distillation process to ensure 99.9% purity for powerful hip and joint support. Yucca Extract: A plant-based source of saponins that have been shown to support proper hip and joint function.