Description: Did you know that your pet's immune system is very similar to your own? When your pets immune system is workig properly, they are well guarded. However, when your pets immune system is compromised, their resistance is lowered and their and their good health is attacked. This is particularly true for older pets because their immune system depletes naturally with age. Introducing NK-9, Immune System Support for your pet. NK-9 Contains AHCC (Active Hexose Correlated Compound), the ingredient that research shows can provide unsurpassed support for your pet's immune system, especially their NK Cells- the immune system's front-line defense. Based on more than 20 published studies and clinical experience with both humans and K-9s, NK-9 will help guard your pet's health. - www.lifesvigor.com 2/20/2007 Suggested Use: American BioSciences, Inc. has once again made good on their motto: Nature and Science for Better Health. Their devotion extends beyond humans to include the health and well being of pets in their latest product! NK-9, AHCC-Immune System Support, provides solid support for immune system health, as evidenced by published scientific research. Its key ingredient is the nutritional all-star mushroom hybrid compound known as AHCC, the subject of numerous studies that prove it to be both safe and efficacious in helping support canine immune system health. NK-9 is truly a gift of health to dogs and their guardians.NK-9 helps your pet achieve optimal health due to the efficacy of its active ingredient, AHCC, or Active Hexose Correlated Compound. It's been proven in dozens of human and canine research studies that AHCC has the ability to help canines maintain optimum NK-Cell function, support cytokine production, and promote optimal T-Cell and Macrophage activity. It dramatically enhances the dog's immune defenses, and helps keep them healthy and active.The "NK" in NK-9 stands for "Natural Killer" and it refers specifically to a type of white blood cell that is the immune systems first line of defense in both humans and canines! These cells play the role of the "sentinel" which stands in the forefront of the immune systems, guarding the fortress of our health. NK cells have an innate ability to identify and often kill microscopic invaders or abnormal cells that can cause harm. Upon the first hint of an attack, the NK cells herald the troops to get to work and fight. This has been shown to be the best protection not only for man, as found in ImmPower-AHCC, but also now for man's best friend in NK-9. Ingredients: Mushroom Mycelia Extract, Cellulose, Silicon Dioxide, Magnesium Stearate, Gelatin. Per capsule: AHCC Proprietary Blend - 250mg