Kiwi: Kiwis have an equal amount of Vitamin C as compared to oranges. Since, they come in the category of exotic fruits, kiwis are a delight to the taste buds. They are one of the best fruits for summer as they have a unique cooling effect on the body and packed with Vitamin E, potassium, and fibre as well.
What to Eat in Cough and Cold - Fruits & Vegetables. 'An apple a day keeps the doctor away is not just a saying; this fruit actually helps in preventing illnesses like the common cold. Apple contains phytochemical antioxidants, as per a study published in the Nutrition Journal.