Ginger Tea
Did you grow up being told to drink ginger ale when you were sick? There's an actual reason for that, beyond just helping settle an upset stomach.
Real ginger has antimicrobial properties, has the ability to help fight infection and ease joint and muscle pain—common symptoms of many illnesses.
Buy some ginger tea, steep with a flew slices of raw ginger and add some raw, unfiltered honey to boost your immune system.