It’s a delicious morning tonic that jump-starts a slow metabolism, boosts energy and makes losing weight a breeze. This all-natural powdered supplement can be mixed into water or your favorite beverage and enjoyed as an amazing metabolic tonic in the mornings. Nagano Tonic is formulated from a mixture of herbs and nutrients used daily by the people of Nagano, who are the leanest, healthiest, and longest-living population not only in Japan but in the world.