1. Mushrooms- increase the production and activity of white blood cells
2. Yogurt (plain)- Probiotics, or the “live active cultures” found in yogurt, are healthy bacteria that keep the gut and intestinal tract free of disease-causing germs
3. Garlic- it has active ingredient allicin, which fights infection and bacteria
4. Shellfish- rich in Selenium which helps white blood cells produce cytokines—proteins that help clear flu viruses
5. Chicken Soup- The amino acid cysteine, released from chicken during cooking, chemically resembles the bronchitis drug acetyl-cysteine
6. Tea (green or black)- is abundant in amino acid L-theanine that’s responsible for immune boost
7. Beef- rich in zinc
8. Sweet potatoes-Vitamin A in sweet potapoes plays a major role in the production of connective tissue, a key component of skin- 1st line immunity defence
9. Oats and barley- These grains contain beta-glucan, a type of fiber with antimicrobial and antioxidant capabilities more potent than echinacea