Effect of 4-week Dihydrocapsiate Ingestion on Resting Metabolic Rate

Inclusion Criteria: * Men between 20-60 years old * Healthy as assessed by medical history and standard medical exam * Weight-stable * Body mass index of 25 to 34.9 kg/m2 * Non-smoker * Sedentary lifestyle: not being physically active grater than 3 days/week for 20 min each time for the previous 6 months, and not participating in regular resistance exercise. Exclusion Criteria: * Subjects enrolled in a diet to increase or decrease body weight * Special diet or food aversiions to common foods * Has allergy to chilli pepper * Eating chilli peppers on a daily basis * Usually consuming more than 2 cups of tea or coffee/day * Usually consuming more than 4 cans of caffeinated soft drinks a day * Usually consuming more than 3 standard alcohol drinks/day * Regular use of medications (weight loss drugs, drugs affecting energy metabolism, drugs for depression) * Usual intake of illicit substances * Claustrophobia * Participating or having participated in another clinical trial during the last 4 weeks prior to the beginning of this study