Can an 8-Hour eating window preserve muscle gains?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adults between 18 - 50 years * Performing resistance training at least twice per week (for ≥1 yr) * BMI ≥ 18.5 Exclusion Criteria: * Currently sedentary or not engaged in resistance training. * Major surgeries in muscles/joints during the past 3 months * BMI \< 18.5 * Ineligible to engage in physical activity according to 2022 Physical Activity Readiness Questionnaire for everyone (PAR-Q+) * Take anabolic steroids or on hormone replacement therapy. * Current smoker. * Following restrictive diets (Vegan, vegetarian, intermittent fasting, Paleo, calorie restriction, keto/ low carbohydrate diet or any other restrictive diets) * Active cancer or cancer requiring treatment in the past 2 years (except non-melanoma skin cancer). * Musculoskeletal disorders * Diagnosed with cardiovascular disease including myocardial infarction, heart surgery, heart failure and had a heart transplant. * Have pacemaker or metal implants * Diagnosed diabetes (type 1 or 2). * Diagnosed hypertension or high blood pressure (\>130/90). * Diagnosed eating disorder or score ≥ 20 on Eating Attitudes Test -26 (EAT26) survey * Missing limbs/ have prosthetics * Had surgery in joints/muscle in the past year. * Received medical advise against exercising due to medical reasons. * On medication for conditions related to the thyroid gland * Unwilling to commit for a 7-week study * Likely to move away from participating clinic before trial completed * Unable or unwilling to give informed consent * Another household member is a participant or staff member in the trial * Unwilling to accept treatment assignment by randomization * Current or anticipated participation in another intervention research project that would interfere with the intervention offered in the trial * Pregnant or \< 6 months since giving birth. * Any other condition which, in opinion of investigators, that would adversely affect conduct of the trial.