🍋Lemon Potential benefits Kidney stone prevention: The citrate in lemon juice can help prevent the formation of kidney stones, particularly the common calcium oxalate type, by binding with calcium in urine. Reduces salt intake: Lemon juice can be used as a salt substitute to add flavor to food, which is helpful for people with CKD who need to limit sodium. Low potassium: Lemons are low in potassium, making them a safer citrus option for most people with CKD who need to monitor their potassium i