Your Immune System is a vital part of your health and wellbeing.Your immune system fights off the cold, the flu and all kinds if bacterial and viral diseases. One of the most important times of the year for your immune system to be strong is during the cold and flu season. When is the cold and flu season? Who knows! Today with the ecological situation on the planet being so upside down the cold and flu season seems to be almost all year long. But most cases, the cold and flu season is the time ofthe year that it is cold and wet. That is the time of the year to supplement your immune system so that you can defend yourself against the onslaught of disease and discomfort.