PSA Change from Baseline to Week 12 (IMAGE) University of Chicago Medical Center Caption This is the standard dose (1000mg, without food) compared to low dose (250mg with a meal). Credit Russell Szmulewitz , MD Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.