l carnitine scholary articles efficacy pubmed Acute L-Carnitine Supplementation Does Not Improve CrossFit® Performance: A Randomized, Double-Blind, Placebo-Controlled Crossover Study Role of L-carnitine in Cardiovascular
Description
Researchers also utilize L-Carnitine hydrochloride to investigate its role in modulating metabolic pathways, especially under conditions of oxidative stress or altered metabolic demands

Jul 2016;12(6):1213-9

The D-Carnitine form , present in some of the supplements labelled 'Carnitine' without further details, has side effects

It can also help increase muscle mass and improve workout performance, making it a great option for those aiming to enhance both fat loss and muscle growth efforts
