Spinach, or palak, is a powerhouse of nutrients, including iron, vitamins and antioxidants. It is a much loved vegetable, and is often relished as a sabji, or soup. However, an excess of oxalates in spinach creates a risk for developing calcium oxalate kidney stones, because these compounds link with urinary calcium to create stones. People who have had kidney stones face an elevated risk of stone development when they consume big portions of raw or cooked spinach, because it increases their urine oxalate concentration. People should limit their spinach consumption, because eating calcium-rich foods helps block oxalate absorption in the human body.
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