To date, only two pilot trials have been applied elucidating the beneficial effect of immune nutrition diet (IND) on postoperative morbidity and surgery-induced inflammations after radical cystectomy.Hamilton-Reeves and associates have represented a reduction of 33% and 39% in overall complications and infection rates, respectively. Then again, the authors have shown a potential effect of the IND on the laboratory markers of inflammation. Equally important, a decline by just below the half, falling from 77% to 40% complications rate, and by more than half, from 66% to 20% infection rate, were noted in a prospective cohort compared with historical control.