A-CYST is a patented formulation designed for temporary replenishment of the glycosaminoglycan (GAG) layer in the urinary bladder. A-CYST contains naturally occurring components of the GAG layer of bladder epithelium. Highly viscous aqueous solution of defined fractions of purified hyaluronic acid, chondroitin sulfates C4 & C6 in a 10% solution of N-acetyl-D-glucosamine. Each 10 mL vial contains: Hyaluronic acid sodium salt ...........50 mg Sodium chondroitin sulfate ........1000 mg N-acetyl-D-glucosamine ............1000 mg