Nutritional Information: Asparagus

Asparagus is an excellent source of folic acid and contains vitamin C, potassium, thiamine, riboflavin, vitamin B6, copper, vitamin A, iron, phosphorus, and zinc. Asparagus contains a sulfurous substance that imparts an odor to urine, as well as asparagine, an acid substance that gives the vegetable its characteristic flavor and is also diuretic. Asparagus is said to be laxative, remineralizing, and tonic.