In-fact a lack of vitamin C has been long known to increase susceptibility to viruses and found to be related to the increased risk and severity of influenza infections.
Other Vitamins found to boost our natural immunity includes Vitamin E, D and A.
The best way to incorporate these vitamins is to eat colored fruits and vegetables. They are not only rich in Vitamins but also other important phyto-nutrients that improve our health and boost our immune system.
One important vitamin not to be missed is Vitamin D that we can get from sunlight. Vitamin D deficiency is very common these days and is common in people who stay indoors due to work or health issues.
Sources:
Vitamin E found in nuts, seeds, whole grains, red meat, prunes, peaches, spinach, broccoli, tomato, asparagus, avocado, potatoes and cabbage.
Vitamin D found in fatty fish, cod liver oil, cheese, egg yolks, mushrooms and from sun exposure.
Vitamin A found in liver, kidney, butter, egg yolk, deepsea fish, carrots, dark leafy greens, sweet potato, pumpkin, broccoli, red capsicum papaya, nectarines and dried apricots
Vitamin C found in red chili, red capsicums, strawberries, citrus fruits, papaya, mango, kale, broccoli, watercress, elderberry, red cabbage, cauliflower, asparagus, okra, lima beans, black-eyed peas, brussel sprouts and spinach.