Time-Restricted Eating Study for Obesity

Inclusion Criteria: * Age 19 to 65 years * Owns a smartphone * Apparently healthy * BMI ( more than or equal to 25 kg/m2 ) and high body fat percent (BF%) (≥25% and ≥35% for males and females, respectively) * Sedentary lifestyle (less than 150 minutes of self-reported moderate to vigorous activity per week) * Self-reported eating interval of ≥12 h per day Exclusion Criteria: * Diagnosed diabetes mellitus (type I or II), coronary heart disease, heart failure, hypertension, hyperlipidemia, stroke, chronic lung diseases, liver or kidney disease, adrenal diseases, musculoskeletal disorders, uncontrolled thyroid disease (dose changes within the past 3 months), Crohn's disease, Ulcerative Colitis, arthritis, undergoing active cancer treatment except for non-melanoma cancer, uncontrolled psychiatric disorder (a history of hospitalization for psychiatric illness). * Currently taking any medication that is meant for, or has a known effect on, appetite * On anabolic steroid or hormone replacement therapy * Participation in an exercise/nutrition/ weight-loss program within the last 6 months * Any history of surgical intervention for weight management * Having a ≥5% body weight change during the last 3 months * Pregnant or less than 6 months post-partum, breastfeeding, polycystic ovarian syndrome or irregular menstruation * missing limbs, have a pacemaker or metal implants, * eating disorders or EAT-26 score \>20 * Alcohol or drug addiction * Current smoker * Works night shifts * Unable to commit to a 9-week study * Not willing to follow study protocol and any other contraindications. * Currently following any of the following restrictive diets - Keto/low carbohydrate/ Vegan/ Vegetarian/ Intermittent fasting/ Paleo/ Calorie restriction/ Any other restrictive diet * Participating in another study