Water: Water is simply the best drink you can have! Water is a zero-calorie, perfectly hydrating, cheap drink. If you are in the earlier stages of kidney disease, choosing water most of the time to quench your thirst will keep your body and kidneys functioning well.
Lemons contain citrate, which helps prevent calcium from building up and forming stones in your kidneys. Interestingly, the benefit doesn't seem to be present in oranges, making lemon a unique tool in kidney stone prevention.
Caffeine found in coffee, tea, soda, and foods can also place a strain on your kidneys. Caffeine is a stimulant, which can cause increased blood flow, blood pressure and stress on the kidneys. Excessive caffeine intake has also been linked to kidney stones.
Diets high in salt are high in sodium, which can increase blood pressure and, in turn, harm your kidneys. Flavor your foods with herbs and spices instead of salt. Over time, you may find it easier to avoid using added salt (sodium) on your food.
Being active and having a healthy body weight is also important to kidney health. Some studies show kidney function improves with exercise. Talk with your healthcare professional or dietitian if you need to lose weight.
Ginger is identified as an excellent herb, which can improve functional attributes of kidneys. They are helpful in food digestion, improvement in blood purification and increase in the flow of oxygenated blood towards kidneys.
Bananas: Like avocados, bananas are high in potassium — in fact, they're famous for their potassium content. Though bananas are low in sodium, it is still best to avoid making them a daily staple if you're concerned about kidney health.
Special renal vitamins are usually prescribed to kidney patients to provide the extra water soluble vitamins needed. Renal vitamins contain vitamins B1, B2, B6, B12, folic acid, niacin, pantothenic acid, biotin and a small dose of vitamin C.