Some people may need neither
Prevalence of metabolic syndrome using WHO, ATPIII and IDF definitions in Asian Indians: the Chennai Urban Rural Epidemiology Study (CURES-34)
Artmed Nicassio L, Fracasso F, Sirago G, Musicco C, Picca A, Marzetti E, Calvani R, Cantatore P, Gadaleta MN, Pesce V (2017) Dietary supplementation with acetyl- l -carnitine counteracts age-related alterations of mitochondrial biogenesis, dynamics and antioxidant defenses in brain of old rats
A comprehensive 2017 meta-analysis of randomized controlled trials demonstrated that L-carnitine treatment significantly improved left ventricular ejection fraction and cardiac output in patients with chronic heart failure
It is essentially composed of three amino acidsglutamine, glycine, and cysteineand is found in high concentrations, especially in the liver