The common cold is caused by some of the infections and viruses. Diet including some of the nutrients plays a major role in preventing common cold. Proper nutrition also maintains proper immunity.

Vitamin C is most important vitamin in preventing cold. It also reduces the duration and alleviates the symptoms of the cold. Vitamin C can act like an anti histamine drug. Vitamin C acts like anti oxidant. Vitamin C rich foods include citrus fruits, tomato, guava, lychee, kiwi, peaches, nectarines, peppers, cabbage and cauliflower.

Zinc reduces common cold symptoms. Zinc inhibits the reproduction of viruses. Some of the food sources of zinc include milk, almonds, yogurt, fruits, oysters, cheese, peas, oat meal and fortified breakfast cereals.

Fluids: The type of fluid you drink is important it is better to avoid concentrated sugar juices etc. But adequate fluids are necessary to which helps in prevention of dehydration and also improves white blood cell function.

Exercise also helps in maintaining immunity and prevents from common cold.