Home > Diet and nutrition > Healthy Food > Vegetables Updated 28 February 2013 Celery Celery is a good source of potassium. It has a diuretic effect, can help control blood pressure and has anti-inflammatory effects. 0 Vit & Min doses per day » Count calories in food » Is my vegetarian diet balanced? » Ask The Dietitians » Celery is a good source of potassium. It has a diuretic effect, can help control blood pressure and has anti-inflammatory effects.Celery is most nutritious eaten raw, but is still beneficial when cooked.Celery is extremely low in calories and can be eaten freely. About four stalks a day, raw, or cooked will lower high blood pressure. The greener the celery, the higher the levels of vitamin C, folate and carotenes. Calories 7 Fibre 1,1g Potassium 320mg Folate 16mcg Per 100g NEXT ON HEALTH24X Gordhan confirms: 'Sugar tax' coming later this year 2017-02-22 15:11 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... From our sponsors How to care for your vaginal flora Live healthier Hello? » SEE: Interesting facts about hearing loss Earworms: Let it go Is it bad to sleep with earplugs all the time? SEE: Do women hear better than men? The reason why men often appear not to be listening could be because they actually can't hear you. Confident smile? » Acidic drinks can harm your kids' smiles The facts on bleaching your teeth Am I taking good care of my teeth? Why are my teeth stained? We know the rules – brush your teeth twice a day and floss to keep them healthy. But, have you ever wondered what causes those stains that sometimes appear?