Beta-Alanine and Reduced Body Fat Mass

Research synthesisLow evidenceSmall effect3 studies · 0 beneficial · 3 neutral · 0 harmful

Across 3 studies, 3 reported neutral small-sized effects of beta-alanine supplementation on reduced body fat mass, with no beneficial or harmful findings. The evidence, primarily from systematic reviews and a meta-analysis, does not support a significant effect on fat mass reduction, even in athletic or clinical populations. Doses and study durations were inconsistently reported, limiting synthesis of effective parameters.

Caveats: Evidence base is small (only 3 studies) — conclusions should be considered preliminary. Many of the included studies did not reach statistical significance — effect may be smaller than the predominant direction suggests.

Generated Jul 12, 2026

3 of 3 papersPopulation:

Effects of Creatine and β-Alanine Co-Supplementation on Exercise Performance and Body Composition: A Systematic Review.
- 2025-06-21
- Systematic Review · n = 263
- Nutrients 17(13)
- - Damoon Ashtary-Larky
  - Darren G Candow
  - Scott C Forbes
  - Leila Hajizadeh
  - Jose Antonio
  - Katsuhiko Suzuki
- PubMed: 40647180
- DOI: 10.3390/nu17132074
8 Insights on
- Reduced Body Fat Mass
- High evidence
- Rigorous Journal
- Clinical
one study reporting greater lean mass gains and fat mass reductions compared to creatine and β-alanine supplementation individually, while another found no significant improvements.
Effect
Neutral
Effect size
Small
Significant
No
Effects of beta-alanine supplementation on body composition: a GRADE-assessed systematic review and meta-analysis.
- 2022-05-31
- Meta-Analysis · n = 492
- Journal of the International Society of Sports Nutrition 19(1)
- - Damoon Ashtary-Larky
  - Reza Bagheri
  - Matin Ghanavati
  - Omid Asbaghi
  - Alexei Wong
  - Jeffrey R Stout
  - Katsuhiko Suzuki
- PubMed: 35813845
- DOI: 10.1080/15502783.2022.2079384
4 Insights on
- Reduced Body Fat Mass
- High evidence
beta-alanine supplementation has no effect on fat mass (FM) (WMD: -0.24 kg; 95% CI: -1.16 to 0.68; p = 0.612, I² = 0.0%, p = 0.969)
Effect
Neutral
Effect size
Small
Significant
No
β-Alanine Supplementation in Combat Sports: Evaluation of Sports Performance, Perception, and Anthropometric Parameters and Biochemical Markers-A Systematic Review of Clinical Trials.
- 2023-08-28
- Systematic Review
- Nutrients 15(17)
- - Diego Fernández-Lázaro
  - Emma Marianne Fiandor
  - Juan F García
  - Natalia Busto
  - Mirian Santamaría-Peláez
  - Eduardo Gutiérrez-Abejón
  - Enrique Roche
  - Juan Mielgo-Ayuso
- PubMed: 37686787
- DOI: 10.3390/nu15173755
11 Insights on
- Reduced Body Fat Mass
- High evidence
- Rigorous Journal
- Athletes
there was a non-significant (p > 0.05) improvement in the anthropometric parameters of lean mass and fat mass
Effect
Neutral
Effect size
Small
Significant
No
Dose
not specified in abstract

Beta-Alanine and Reduced Body Fat Mass

Effects of Creatine and β-Alanine Co-Supplementation on Exercise Performance and Body Composition: A Systematic Review.

Effects of beta-alanine supplementation on body composition: a GRADE-assessed systematic review and meta-analysis.

β-Alanine Supplementation in Combat Sports: Evaluation of Sports Performance, Perception, and Anthropometric Parameters and Biochemical Markers-A Systematic Review of Clinical Trials.