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Kidneys are a pair of bean-shaped organs that filter the blood, remove the waste materials from the body and balance electrolytes and body fluids. When there is an increased concentration of minerals in the body, it can cause the clinical condition called Kidney stone/ Renal calculi.

Renal calculi are small solid crystals or deposits which are formed from different minerals. It is formed in the kidney and can find in the urinary tract, urethra, and bladder. As it is solid crystalline mass, there will be severe congestion while passing through the urinary tract. This leads to the colic pain in this condition.


Dietary tips for kidney stone prevention:


Follow the kidney stone diet chart for kidney stone prevention, because prevention is always better than cure.


Prevent Kidney Stone with Healthy Diet:

  • As above mentioned, fluids can do a major role in this. Doctors suggested taking at least 2.5 Ltr of water per day.
  • Citrus has the power of removing the stones. So citrus fruits or their juices must be taken.
  • Intake of Calcium and Vitamin D:
  • When there is a lowering of calcium in the blood, then oxalate gets raised and result in stone. It is good to take calcium from food than supplements. Vitamin D helps in calcium absorption. -Foods that contain Vitamin D:
    • Cow’s milk
    • Goat’s milk
    • Fatty fish
    • Vegetables
    • Fruits

Include plenty of fruits and vegetables which are calcium rich and with reduced oxalate.


Restrictions of Foods:

  • Red meat, shellfish, etc. has a chemical substance called purine. More intake of purine causes an increase in the level of uric acid, which may lead to uric acid stones. So you have to limit these food materials which can help you in kidney stone prevention.
  • More level of sodium may cause leakage of calcium through urine. Lowering of calcium may lead to increased oxalate level and formation of calcium oxalate stone.
  • Limit the intake of protein. More intake may cause loss of calcium from the body.
  • Avoid high doses of Vitamin C supplement. It may cause a high production of calcium in the body.
  • Avoid foods rich in oxalate such as,
    1. Spinach
    2. Peanut
    3. Soya bean
    4. Black tea
    5. Dark chocolate
    6. Sweet potato
    7. Nuts
  • Limit the intake of salt, which causes a rise in sodium level.
  • Avoid cola drinks. Cola drinks contain phosphate which is another major reason for kidney stones.
  • Avoid eating and drinking of anything which can dehydrate you such as alcohol.


Only kidney stone diet restriction can’t help you in kidney stone prevention, it may need other measures too. But kidney stone prevention is advisable by following a kidney stone diet chart. Give much care not to take more oxalate, purine, sodium, etc.


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