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Green tea has a lot of benefits to those that have kidney diseases. Green tea can improve kidney filtration function so as to promote urination and at the same time discharge more wasteful products out of the kidneys and bloodstream.
Besides, too much caffeine intake will also cause heart problems and high blood pressure, all these will be bad for kidney failure patients. So whether chronic kidney failure patients can drink green tea is all depending on their own illness condition, so they should first get the permission of their doctors. 1  Tag: Kidney Failure Diet. 2  Pre: Can People Eat Fruits with Stage 4 Kidney Failure. 3  Next: Diet Recommendations for Stage 5 Kidney Failure without Dialysis.