Ark Naturals Sea Mobility Joint Rescue Chews contain ingredients that help increase your dogs flexibility, mobility, range of motion, and joint comfort. Joint Rescue is the only joint product in the marketplace with sea cucumber, a natural source of antioxidants that help reduce inflammation, and is also packed with protein, minerals and B vitamins. Each serving contains 56% real meat ,500 mg of 99. 9% pure Glucosamine, plus Chondroitin sulfate and MSM. These joint chews are the easiest way to deliver Glucosamine to your dogs, and are available in 4 delicious meat varieties (beef, chicken, venison, lamb). Carefully Crafted in the USA.