Prevent CSA-AKI (Cardiac Surgery Associated Acute Kidney Injury) trial is a double blinded randomized controlled trial, 242 patients undergoing elective cardiopulmonary bypass surgery (CPB)will either receive a placebo or daily 1200 mg of Co enzyme Q10 (CoQ10) and 1000 mg of Glutathione (GSH), the first dose will be given the day before surgery and continues while admitted up to 1 week. Blood and urine samples will be collected. Adverse events related to the study drugs will be collected.