The asparagus is a great source of folic acid (vitamin B9) and contains potassium, copper, iron and phosphor. It is rich in insoluble dietary fiber and vitamins A, B1, B2, B6 and C. The asparagus contains a sour agent, which noticeably renders the urine potent when digested.

The asparagus contains asparagine, an acid agent responsible for its particular flavor and diuretic property. You should avoid eating asparagus when you have kidney inflammation.