[KAGOSHIMA] KAWAUCHI HONPO Koji Energy Drink Force 900ml [100% Rice Koji Amazake] Recover your fatigue by drinking Kawauchi's Amazake : A natural energy-boosting drink packed with citric acid to help fight fatigue. Made with Super Kawauchi white koji, this energy drink contains a high amount of citric acid, which is essential for producing the energy your body needs to move. Additionally, the white koji produces plenty of glucose (dextrose), which cells—including the brain—can immediately use as a source of energy. This makes “White Koji Energy Drink Force” an ideal amazake for recovery from fatigue and a natural energy boost.