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Background: Authors have continued treating patients with obesity and metabolic syndrome by application of Low Carbohydrate Diet (LCD). Furthermore, we have continued presenting various reports about nutrition and educational guidance and developing LCD medically and socially through the activity of Japan LCD Promoting Association (JLCDPA). Study Protocol: Subjects enrolled were 2773 patients with obesity who received nutritional guidance in our clinic. Methods include i) weight reduction program on the intervention of LCD and guidance by registered dietitian nutritionist (RDN), ii) LCD with 33% of carbohydrate, and iii) Practice of guidance including self-monitoring, lifestyle, motivation, determination for the goal, evaluation. Results and Discussion: Nutritional guidance has been carried out on a regular basis by three RDNs. Weight reduction was: 10% or more was observed in 666 (24.0%), and 5.0 – 9.9% was in 863 (31.2%). In other words, the reduction of 5.0% or more was 55.2%, and 3.0% or more was 71.4%. Our nutritional guidance has been made as a manual for weight reduction program. It includes various factors, such as Self-Regulation Empowerment, cognitive behavioral therapy and motivational interviewing. These results would become basal and reference data for future research in the field of weight reduction.

Background: Obese subjects have been increasing worldwide. Authors have continued clinical research about Low Carbohydrate Diet (LCD) and Calorie Restriction (CR) for long, and developed LCD medically and socially through the activity of Japan LCD Promoting Association (JLCDPA). Study protocol: Enrolled subjects enrolled were 2807 patients with obesity whom we gave advices in weight reduction program. Nutritional treatment on LCD was started by super-LCD with 12% of carbohydrate. After that, the carbohydrate limitation has been relieved according to the each situation of the subjects. Furthermore, subjects have received psychological supports with Empowerment, Motivation, and Medical Adherence (EMMA) and with the relationship among recognition of self-regulation; self-determination; conscientization and struggle were provided for 6-12 months. Results and discussion: The weight changes of 2807 cases were studied with the following results: weight reduction rate of 10%