Shipping included. DR. ASK Fight Off System benefits are for colds/flu. Builds your systems in your body especially immune. The sickest of the sick! Great for taking with weight loss herbs and workouts. Health with assisting with living healthier lifestyle. Deals with your l#a lot of organs and when you placing impurities inside of body like chemotherapy, household products, damaged cells, and people who had poor dietary values. Once you feel weird take this tea.