Cranberries
Consuming too many cranberries might actually increase your risk for certain types of kidney stones. Cranberries have a high amount of oxalates that can translate to an increased risk of calcium oxalate stones. There’s another problem with cranberries, too. Not only are they extremely high in calories — a third of a cup contains about 123 calories and half a gram of fat — but many kinds of dried cranberries contain a huge amount of added sugar.