Top 15 Foods To Boost Your Immunity: How To Boost Natural Immunity Leave a Comment / Uncategorized / By c.chan / August 26, 2020 August 26, 2020 Most people turn to vitamin C after they’ve caught a cold. That’s because it helps build up your immune system. Vitamin C is thought to increase the production of white blood cells. These are key to fighting infections. Post Views: 1,243 Share this:TwitterFacebookLike this:Like Loading...