<s>[INST] Hello, I am asking this for my dad who was recently told that his bladder cancer has returned. As a result, his right kidney is failing and he is anemic. We are having difficulty trying to figure out the right foods to feed him...he is so weak. QUESTION : Is ENSURE OK to give him, or is this too much protein? [/INST] Hello and welcome to HCM.As an Urologist, let me assure that, kindly follow your doctors' advice.Only in people with kidney failure, is 40gm proteins diet/ day advised.Ensure gives additional protein supplement, but the nutrionist will advise you as per your doctors' advice. Bladder cancer recurrence with one side kidney failure, can be treated, by several approaches. Surgical or medical, will depend on his general condition.If you want an expert opinion, you can send a copy of the reports, to me. </s>