Shellfish
Shellfish basically includes clams, crabs, lobsters, and oysters. It is loaded with selenium, which can allow your white blood cells to produce more cytokines. Those proteins are responsible for clearing and getting rid of viruses from the body during infections. Aim for at least 2 portions each week to maximize its benefits. However, make sure to ask your doctor for the recommended dosage when you are pregnant or plan to be a mom. [5]
