Recipes for Booster Drink Juice For Cold and Flu ourplantbasedworld.com One way to help boost your immune system is by drinking juice. In this blog post, I'll share my top juice recipe for cold and flu season. submitted by ourplantbasedworld booster drink cold dairy-free egg-free flu gf & dairy-free gf & vegan gluten-free immunity nut-free vegan vegetarian Entry Permalink Report Post