Home > Diet and nutrition > Healthy Food > Vegetables Updated 27 February 2013 Watercress Watercress has many health benefits: it is a traditional treatment for eczema, counters anaemia, may reduce cancer risk and helps avoid and treat infections. 0 Vit & Min doses per day » Count calories in food » Is my vegetarian diet balanced? » Ask The Dietitians » Watercress has many health benefits: it is a traditional treatment for eczema , counters anaemia, may reduce cancer risk and helps avoid and treat infections. Watercress provides concentrated antioxidant protection. It must be washed well before eating. Watercress will wilt after a few days, so it is best to eat it as soon as possible.Raw watercress is very low in calories and can be eaten freely. It provides a large portion of an adult's calcium and folate needs. Calories 22 Calcium 170mg Carotenes 2,520 mcg Folate 200 mcg Iron 2,2mg Potassium 230mg Vitamin C 62mg Vitamin E 1,5mg Zinc 0,7mg Per 100g NEXT ON HEALTH24X 5 reasons to love avocados 2018-10-14 07:00 More: Healthy FoodVegetables advertisement Read Health24’s Comments Policy Comment on this story 0 comments Comments have been closed for this article. Logout Comment 0 characters remaining Share on Facebook Loading comments... Live healthier Lifestyle » E-cigarettes: Here are five things to know E-cigarettes have become hugely popular in the past decade, but a rash of vaping-linked deaths and illnesses in the US is feeding caution about a product that's already banned in some places. Allergy » Ditch the itch: Researchers find new drug to fight hives A new drug works by targeting an immune system antibody called immunoglobulin E, which is responsible for the allergic reaction that causes hives.