is l-carnitine synthetic inner salt This process is essential for maintaining optimal energy levels WO2007139238A1 - Process for l-carnitine
Description
however, clinical trials have not consistently supported these uses

[DOI] [PMC free article] [PubMed] [Google Scholar] 37.Filipek PA, Juranek J, Nguyen MT, Cummings C, Gargus JJ

The body uses lysine to create the amino acid carnitine in the liver and kidneys

doi: 10.1111/j.2047-2927.2013.00107.x
