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Research · Meta-analysis

Effects of oral administration of β-hydroxy β-methylbutyrate on lean body mass in older adults: a systematic review and meta-analysis

What it found

HMB alone modestly increased fat-free mass (effect size ~0.59), but added no measurable benefit on top of an exercise program.

Design
Meta-analysis
Year
2021
Sample size
448
Population
older adults (9 RCTs)
Intervention
oral HMB, with or without exercise, vs control
Outcome
lean / fat-free body mass
Journal
European Geriatric Medicine

Citation last checked 2026-06-21.