It is one of the best foods for taking care of catarrhal conditions and for purifying the blood. Used for treating tuberculosis. It is good for glandular secretions and for the liver. Watercress is high in water content, so it is a wonderful dissolver. It is very high in sulfur and potassium, a mild stimulant. Watercress contains significant amounts of iron, calcium and folic acid, in addition to vitamins A and C. Because of its flavor, watercress makes a tangy seasoning agent.
