Research
Energy balance
Current literature does not support a beneficial effect of betaine on muscle strength and power in humans.
Athletes should be cautious about expecting strength and power improvements from betaine.
WeakRefutesmedium confidence
However, the current literature does not seem to support a beneficial effect on these outcomes.
Why this rating
Based on limited human literature.
Source
Betaine Supplementation: A Critical Review of Its Efficacy for Improving Muscle Strength, Power, and Body Composition
Derrick W. Van Every et al. · Strength and conditioning journal · 2021
DOI 10.1519/ssc.0000000000000622
reviewCited 14×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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