Research · Meta-analysis
Protein supplementation augments the adaptive response of skeletal muscle to resistance-type exercise training: a meta-analysis
What it found
Adding protein to resistance training increased fat-free mass (~+0.69 kg) and leg-press strength (~+13.5 kg) more than training alone, in both younger and older adults.
- Design
- Meta-analysis
- Year
- 2012
- Sample size
- 680
- Population
- younger and older adults (22 RCTs)
- Intervention
- protein supplementation during resistance training vs placebo + same training
- Outcome
- fat-free mass, muscle fiber size, 1-RM strength
- Journal
- American Journal of Clinical Nutrition
Citation last checked 2026-06-21.