Clinically tested ingredients. Fast dissolve. Supports urinary trach health. Contains antioxidants to help protect against cellular oxidation. Natrol Cranberry 250 mg Fast Dissolve: With clinically validated Cran-Max that provides 3x greater antioxidant activity and 25% more fiber than cranberry juice (Based on the research conducted by Pharmachem Laboratories. Cran-Max are registered trademarks of Pharmachem Laboratories Inc.). Supports a healthy urinary tract by promoting an environment supportive to bladder and urethra health. Contains antioxidants that protect cells from oxidative damage related to aging and environmental stress.