Intermittent Fasting for Fat Loss?
- Jun 9
- 2 min read
Intermittent Fasting for Fat Loss?
Is intermittent fasting really no better than “regular dietary advice”?
That is what a lot of media headlines are saying based on a just published Cochrane systematic review covering 22 trials with 2,000 adult participants.
Yet, that is not really the finding.
What the Cochrane review did find is that intermittent fasting, in this case including both time restricted eating (TRE) and alternate day fasting (ADF) did not result in greater weight loss than general dietary advice aimed at enabling a modest caloric deficit.
What is Intermittent Fasting? (it is often misrepresented)
A quick recap . . .
🕰️ Time Restricted Eating - eating only with a set time window each day, e.g., 8 hour eating window, 16 hour fasting, 16-8
📆 Alternate Day Fasting - full fasting, or major calorie restriction on non-consecutive days, such as the 5:2 diet
Some trials show advantage, some do not, and earlier systematic reviews & meta-analyses have returned similar findings, with a huge 2025 meta-analysis reporting just a small advantage for alternate day fasting over both simple calorie restriction and time-restricted eating.
❌ This does not mean that intermittent fasting has no benefit.
When is Intermittent Fasting the Right Choice?
So should you, or can you, use intermittent fasting for fat loss?
If a form of IF is the approach that enables you to consistently stick to a healthy eating pattern that supports weight control without excessive food noise, without denying yourself pleasure, without denying yourself social eating, then it is a great choice for you.
🤲 Not everyone, not a panacea, but you
Secondly, trials have also indicated that forms of IF may have other very meaningful benefits, including:
🍔 Appetite moderation
🩸 Blood glucose regulation
🧠 Cognition, memory and executive function
🌞 Circadian rhythm alignment i.e., chrononutrition & chronobiology
Have YOU tried any form of intermittent fasting and noticed any outcomes, good or bad, other than weight?
References
The 2026 Cochrane Review https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD015610.pub2/full
Time-Restricted Eating Improves Glycemic Control in Patients with Type 2 Diabetes: A Meta-Analysis and Systematic Review
Time-restricted eating improves appetite regulation and sleep characteristics in adults with poor sleep quality
Food Timing, Circadian Rhythm and Chrononutrition: A Systematic Review of Time-Restricted Eating's Effects on Human Health
Brain responses to intermittent fasting and the healthy living diet in older adults
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