...friends, family and flu. Boost Vitamin C as well as a few other micro-nutrients. Zinc is also fantastic for the immune system as well as B vitamins. Focus on food first to gain these nutrients. Unless you have found an excellent supplement source like Standard Process, you're likely to be consuming synthetic vitamins that are not as easily absorbed by the body. Berries, broccoli, buckwheat, cauliflower, kale and peppers are significant sources of C. Zinc can be found in avocado, beans, cabbage, cashews, mushrooms, spinach, pumpkin seeds and wasabi. Quinoa, pistachios, celery, chia, asparagus and sesame seeds are all nutrient dense with B vitamins. These are some pretty fantastic ingredients and I bet that you already have a few recipes coming to mind!