Many herbal formulations that deal with “cold/flu season” use plants that are intended to kill bacteria and viruses. There can be a short term benefit in this. The downside is that by having the herbs kill the bugs, your immune system can become “lazy.” The focus in BōKU® Immune Tonic is to support the immune system and the vitality of the whole body. It utilizes powerful adaptogenic plants that can help the body protect and regulate itself in the face of stress, increase the body’s use of oxygen, boost mood, and encourage increased resistance to illness. BōKU® Immune Tonic can be successfully used year round, not just in the winter.