Stress: High stress levels suppress immune cells and deplete the body of essential nutrients. Stress can be different for every individual.
Poor digestion: If you cannot properly digest your food, essential nutrients cannot be absorbed sufficiently.
Allergies: Allergens irritate the lining of the digestive tract, allowing partly digested protein molecules into the bloodstream where they are attacked by immune cells, triggering allergic reactions. Allergens weaken the immune system, leaving you less able to fight off an infection when it comes around.

What strengthens your immune system?
6–8 Servings of fresh fruit and vegetables: Choose bright colours for the best supply of antioxidant nutrients: red (peppers, beetroot, cherries, berries), orange (citrus fruit, carrots, peppers), yellow (peppers, bananas, lemons, pineapple), purple (berries), green (broccoli, spinach, peas, Swiss chard). Have fruit for snacks during the day. Eat vegetables lightly steamed, raw or in warm soups.
Wild, oily fish: 3 servings of 100g per week (salmon, mackerel, tuna, sardines) – avoid farmed fish as it is rich in hormones and antibiotics.
Other good protein: organic chicken, organic eggs, tofu, legumes such as chickpeas, kidney beans, broad beans and lentils. >>>

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