American BioSciences NK-9 AHCC Immune System Reinforce Description: Dramatically Enhances Your Pets Immune Defenses Helps Keep Your Dog Healthy and Active NK-9 Immune System Reinforce for pets helps deal with a healthy immune system by upregulating Natural Killer (NK) cell function. NK cells are a kind of white blood cell referred to as the immune systems front line defense -they are trying to find out and destroy and �non-self� cells within the body. With NK-9�s Reinforce pets might sustain long term health by maintaining a strong immune system even into their golden years. NK-9 incorporates the ingredient Active Hexose Correlated Compound (AHCC) which is an extract from the fermentation of a hybridized mushroom. AHCC (identified in Japan within the �80s) has been the topic of over 30 articles in peer-reviewed journals describing research in animals and humans, showing that AHCC supports peak Natural Killer cell function. NK-9 is the immune Reinforce product for pets. Disclaimer These statements have not been evaluated by the FDA. These products aren’t intended to diagnose, treat, cure, or prevent any disease.