What Is a Low Oxalate Diet?


Quick Answer

A low oxalate diet is a diet that requires eating foods that are low in oxalate and limiting salt intake to help prevent kidney stones. Those on a low oxalate diet are required to limit their oxalate intake to 40 to 50 milligrams each day.

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Full Answer

Some kidney stones are made up of calcium oxalate, which is found in many foods. People who have kidney stones that are made up of calcium oxalate should avoid dairy products such as soy yogurt, milk, cheese and soy products. They should also avoid fruits such as tangerines, kiwis, blackberries, blueberries and figs. There are also a wide variety of vegetables that people on a low oxalate diet should avoid, such as sweet potatoes, eggplant, okra, carrots and celery. Condiments such as black pepper, soy sauce and marmalade should also be avoided.

People on a low oxalate diet should limit their vitamin C intake to no more than 2,000 milligrams per day, as the body can convert excess amounts of the vitamin into oxalate. Although there are many foods that people on a low oxalate diet must limit or avoid, there are still a wide variety of foods that are safe to consume. Some foods that are safe for people on a low oxalate diet include grapefruit, melons, mangoes and meats and fish except sardines.

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