In a three-month study, people following a fasting-mimicking diet consumed approximately 750–1,100 calories per day for five days each month and lost weight without losing muscle mass.
Notes on verification
Core weight-loss and calorie/duration details confirmed by a science.org report on a randomized clinical trial. Muscle-preservation detail corroborated by a separate but related FMD study, not the same trial, so evidence is combined from two sources rather than one unified study. [tier=silver indep_score=0.925 clusters=2 claim_tier=notable]
Sources
- Low Calorie Diets and Longer Lives (seed:health_and_medicine)
- https://www.science.org/content/article/five-day-fasting-diet-could-fight-disease-slow-aging (corroboration)
- https://www.rupahealth.com/post/what-is-the-fasting-mimicking-diet (corroboration)