Potential antiproteolytic effects of L-leucine: observations of in vitro and in vivo studies
2008

Effects of L-leucine on Muscle Proteolysis

publication Evidence: moderate

Author Information

Author(s): Nelo E Zanchi, Humberto Nicastro, Antonio H Jr Lancha

Primary Institution: University of São Paulo, São Paulo, Brazil

Hypothesis

Does leucine supplementation suppress skeletal muscle proteolysis?

Conclusion

Leucine has the potential to reduce skeletal muscle proteolysis, especially in atrophic conditions.

Supporting Evidence

  • Leucine supplementation has been shown to decrease muscle proteolysis in various studies.
  • High doses of leucine can suppress muscle breakdown without affecting protein synthesis.
  • The effects of leucine on muscle proteolysis are dose-dependent.

Takeaway

Leucine is like a helper for your muscles that can stop them from breaking down, especially when they are weak.

Methodology

The review discusses various in vitro and in vivo studies on leucine supplementation and its effects on muscle proteolysis.

Limitations

Lack of standardization in leucine supplementation doses across studies.

Digital Object Identifier (DOI)

10.1186/1743-7075-5-20

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