Holistic systems of health care hold that a vital force called Essence helps determine how long and how well we live. While processed foods and pollutants drain Essence from the body, specific health tonics help rebuild it. HealthGuard LongLife combines the superstars of mushroom tonics with the world\'s most Essence-rich botanicals. The result is the world\'s most profound Essence-longevity tonic. It builds energy and stamina, combats stress, supports immune function, improves hair, skin and nails, and much, much more.