Taking Vitamin C is good for the health and to boost your immune system. before, I'm easily sick and gets some flu or cough, I guess its because I had a very poor immune system. Taking Medication without a dotors prescription is a big No! No! even you can buy it over the counter thru pharmacy outlet. To be able have a healthy body we need supplements and Vitamins to boost our immune system and prevent us acquiring any disease. The important thing there also always have enough sleep, eat good and right foor that are rich in Vitamin D like vegetables and fruit juices that are rich in Vitamin C. Try to drink juices in the morning or Milk instead of coffee to be more healthy. 1 or 2 tablet of Ascorbic acid will do and be good for your body.