Studies - L-Citrulline

Citrulline stimulates muscle protein synthesis, by reallocating ATP consumption to muscle protein synthesis

https://onlinelibrary.wiley.com/doi/full/10.1002/jcsm.12435  

Influence of L-citrulline and watermelon supplementation on vascular function and exercise performance.

https://www.ncbi.nlm.nih.gov/pubmed/27749691

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