Drinking Effect of Electrolyzed Alkaline Reduced Water on Functional Constipation

Patients diagnosed with constipation will be recruited and screened according to the inclusion and exclusion criteria after sign in the informed consent form. The selected patients will be enrolled. The experimental device (BTM-1200, Bion-Tech, Gyeonggi-do, Korea) will be installed at each patient's house. The researcher will instruct patients drinking method. The patients will drink a total of 20 mL/kg of body weight/day of EHARW (pH 9.5) in 3-different times, and drink directly from the device on an empty stomach for 4 weeks. The clinical trial is conducted in a single group without a control group, and the efficacy is evaluated by comparing the symptoms of constipation pre- and post-intervention. The primary outcome is the proportion of responders based on frequency of complete complete spontaneous bowel movement (CSBM).