A multicenter randomized, double-blind, placebo-controlled trial to evaluate the body fat reducing efficacy and safety of a beverage containing tea catechins on obese subjects

INTERVENTION: Catechin beverage (containing 540mg of catechins) 1bottle per day for 12weeks. Placebo beverage 1bottle per day for 12weeks. CONDITION: obesity PRIMARY OUTCOME: Visceral fat accumulation SECONDARY OUTCOME: abdominal subcutaneous fat area, abdominal total fat area, body weight, body mass index, waist circumference, hip circumference, body fat ratio, body fat mass, and fat‐free mass. INCLUSION CRITERIA: 20‐65 aged men and postmenopausal women. Health men and women with BMI 25‐35kg/m^2. Written informed consent obtained.