Joint Health Supplement. Dasuquin combines NMX1000®* ASU (avocado/soybean unsaponifiables) and decaffeinated tea with Cosequins FCHG49®* glucosamine hydrochloride and TRH122®* low molecular weight chondroitin sulfate and MSM to provide the most comprehensive joint health management formula available for dogs. Each Chewable Tablet Contains: Glucosamine Hydrochloride 600 mg, Sodium Chondroitin Sulfate* (Low Molecular Weight) 250 mg, Avocado/Soybean Unsaponifiables* (ASU) Powder 450 mg. Each chewable tablet contains 400mg MSM (Methylsulfonylmethane).