Back in June of 2004, The Enagic celebrated its 30th year anniversary as a leading producer for Water Ionizers in Japan and the Kangen water they produce. Enagic has been providing industry-quality units to hospitals, restaurants, farms and other businesses for over 30 years. Enagic's Leveluk SD501 is recognized by the Japanese Ministry of Health and Welfare as a medical device. No other water machine carries that label. Enagic also has the backing of the Japan Association for Preventive Medicine for Adult Disease - a nationwide organization composed of 6,600 physicians. This non-profit doctors association, well known for its stringent approval policy, endorses a variety of products and technologies that can help treat and possibly cure lifestyle related diseases such as osteoporosis, diabetes, cancer, high cholesterol, hypertension, etc. Enagic had their beginning in Tokyo, Japan back in June of 1974. During that period up until now, The Enagic Company has sold well over 400,000 water ionizers in Japan alone including well over 100 hospitals who are using these water ionizers to treat their patients.