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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.
Tea and Kidney Stones. According to LPI, risk of developing kidney stones decreases by 8 percent in women and 14 percent in men with every 8-ounce cup of tea consumed. However, LPI does not specify which type of tea, but green tea may be a good one to choose. A 2005 study in the Journal of Urology investigated the effects of green tea on kidney stone formation in Wistar rats, and found that the tea helped decrease calcium oxalate excretion and stone formation in the rats.