Alternate day fasting is an effective weight loss intervention
the verdict
SUPPORTED
the evidence backs this
confidence 75/100
Clinical evidence consistently shows that alternate-day fasting and other intermittent fasting regimens are effective weight loss interventions, producing reductions in body weight and fat mass comparable to or exceeding traditional dietary approaches.
Evidence for · 4
Intermittent Fasting and Fat-Free Mass Outcomes in Middle-Aged and Older Adults: A Scoping Review.
2026 · cited by 0
Alternate-day fasting and related intermittent fasting protocols were commonly associated with significant reductions in body weight and fat mass compared to habitual diets.
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More for · 3
Age-Specific Analysis of the Effects of Intermittent Fasting on Body Composition and Cardiometabolic Markers in Healthy Adults and Individuals with Overweight or Obesity: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
2026 · cited by 0
Systematic review and meta-analysis demonstrated that intermittent fasting significantly reduces body weight and body mass index across adult age groups.
Efficacy of intermittent fasting on blood glucose and weight in type 2 diabetes and prediabetes: A comparison with ad libitum and continuous energy restriction diets.
2026 · cited by 0
Meta-analysis of randomized controlled trials confirms that intermittent fasting is an effective dietary approach for weight reduction and glycemic control in individuals with type 2 diabetes and prediabetes.
Intermittent fasting versus continuous energy restriction in MASLD: a systematic review and meta-analysis.
2026 · cited by 0
Clinical trials and systematic reviews indicate that intermittent fasting leads to greater reductions in body weight and body mass index compared to continuous energy restriction.