Kidney stones are mineral deposits that crystallize within the kidney and though may not cause any permanent damage, tend to be rather painful in most cases. Stone formation typically takes place due to excess amount of crystal-forming substances such as uric acid, calcium, and oxalates being present in the urine. In some cases, even if the mineral content in urine is not too high, the urinal fluid may be lacking in those substances that prevent crystallization. Since the composition of one's urine is largely dependent upon their diet, avoiding certain foods can lower the risk of kidney stones. Here are some common foods that are known to cause stones and thus, need to be consumed sparingly by those prone to this condition.


1. Oxalate-Rich Foods

Since oxalates form a large percentage of kidney stones make-up, consuming oxalate-rich foods is likely to trigger stone formation in those with a history of kidney stones. Some ingredients to avoid or limit include:

  • Rhubarb
  • Swiss chard
  • Soy
  • Chocolate
  • Spinach
  • Sweet potatoes
  • Those who have already experienced kidney stones should stay away from these ingredients completely. Limiting these foods is a good idea as well for anyone with a family history of kidney stones.


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