Medically reviewed by Kayla Girgen, RD Oysters are rich in zinc, protein, omega-3 fatty acids, vitamin B12, and selenium to support health.Raw oysters can be the source of infection, and should be ...

There is an undeniable connection between a strong immune system and nutrition. Learn why what you eat matters and other ways to boost your immune system.

Papaya is rich in vitamins A, C and E, as well as fibre and potassium, making this fruit an immune-system booster. It's tasty ...