The Urthpet Hip and Joint Pet Health Supplement is specially formulated to help promote healthy hip and joint function for your pets. It contains Food-Grade Diatomaceous Earth plus Chondroitin and Glucosamine which supports their body's hip and joint functions. It is also enriched with Vitamin E, which is a great anti-oxidant, along with calcium to help make their bones stronger and healthier. Quercetin is in this formula for anti-inflammatory and Phosphatadycholine supports cellular health. This dust formulation comes in a 10 oz. bottle and may last up to 30 days depending on the size of your pet.