Research
Energy balance
The MM diet did not reduce fat mass compared to a usual diet (UD) with a mean difference of -11.36 kg.
Practitioners should be cautious in recommending MM diets for fat loss compared to usual diets.
StrongRefutesmedium confidence
Compared with a UD, the MM diet did not reduce FM (2 trials; MD, -11.36 kg; 95% CI, -26.36 to 3.63).
Why this rating
Based on the systematic review and meta-analysis of randomized controlled trials.
Source
Long-Term Diets and Changes in Body Composition and Bone Mineral Density: A Systematic Review and Meta-analysis
Jana Jabbour et al. · Nutrition Reviews · 2025
DOI 10.1093/nutrit/nuaf297
Meta-analysis
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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