Research
Energy balance
The beneficial effect of whey protein on lean mass is more robust when combined with energy restriction.
Combining whey protein with energy restriction may yield better results for increasing lean mass.
StrongSupportsmedium confidence
The beneficial effect of WP on lean mass was more robust when only studies with an ER component were included (n = 6 comparisons; 0.90 kg; 95%CI, 0.31 to 1.49).
Why this rating
Based on systematic review and meta-analysis of randomized controlled trials.
Source
Effect of whey protein supplementation on body composition changes in women: a systematic review and meta-analysis
Robert Bergia et al. · Nutrition Reviews · 2018
DOI 10.1093/nutrit/nuy017
Meta-analysisCited 41×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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