what does acetyl l carnitine best match Acetyl-L-Carnitine & Reviews | Thorne

[3] Carnitine supplements do not seem to improve oxygen consumption or metabolic functions when exercising, nor do they increase the amount of carnitine in muscle

doi: 10.7759/cureus.35625 47

In young adults, L-carnitine L-tatrate reduced chemical damage to tissues after exercise and promoted muscle repair and recovery

Body composition (particularly muscle mass), thyroid function, physical activity levels, sleep quality, and dietary protein intake have more substantial effects on metabolic rate than injectable medications

[DOI] [PMC free article] [PubMed] [Google Scholar] 202.Savic D, Hodson L, Neubauer S, Pavlides M

van Leeuwen 1991