20 foods to eat and watch out for for kidney health Bananas, avocados, garlic…which to avoid?
◆6.Dates (date palm) and prunes
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Some dried fruits have high potassium concentrations. This is especially true for dates (date palms) and prunes.
For reference, one cup of prunes contains 1,270 milligrams of potassium, five times more than the same amount of plums, when compared in their undried state. If you are on a kidney diet, you should not consume dates or prunes.