Topic Overview

Oxalate is a compound found in some foods, and it is also produced as a waste product by the body. It exits the body through the urine. Too much oxalate may cause kidney stones in some people.

Foods high in oxalate include:

• Beans.
• Beer.
• Beets.
• Berries.
• Chocolate.
• Coffee.
• Cranberries.
• Dark green vegetables, such as spinach.
• Nuts.
• Oranges.
• Rhubarb.
• Soda (cola).
• Soy beans.
• Soy milk.
• Spinach.
• Sweet potatoes.
• Tea (black).
• Tofu.
• Wheat bran.