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[DOI] [PMC free article] [PubMed] [Google Scholar] 52.Flynn E, Tanigawa Y, Rodriguez F, Altman RB, Sinnott-Armstrong N, Rivas MA

The work is also relevant to industrial biotechnology and knowledge of bacterial metabolism in the gut

For L-carnitine, L-carnitine L-tartrate, or propionyl-L-carnitine, when taken post-workout with a meal that contains carbohydrates, the carbohydrates increase insulin levels, which can increase amounts of L-carnitine that enter muscle cells

While there are some positive results with L-carnitine supplementation, it must be considered that the overall scientific evidence is lacking
