l-carnitine effects on sleep Acute Supplementation Does Not Improve CrossFit® Performance: A Randomized, Double-Blind, Placebo-Controlled Crossover Study Carnitine: Genetic Variants Affecting Mitochondrial
Description
L-carnitine may also enhance energy production in cardiac cells to improve blood flow, reduce inflammation, and limit oxidative stress (an imbalance in free radicals and antioxidants that can lead to cell damage linked to aging and heart disease), she says

14 Because muscle relaxation is an adenosine triphosphate (ATP)-dependent active process, actin and myosin chains do not disengage, causing an electrically silent cramp (ie, contracture)

By assisting your body to transform long-chain fatty acids into energy, L-Carnitine can be used as both a dieting tool and as a pre-workout supplement

References 1 AdhavN

Imaging 34 , 793802 (2018)
