Unlike DL-Choline Bitartrate, which is a racemic mixture of both L-Choline and D-Choline, it specifically refers to the L-isomer
10.1001/jama.2008.600 52 SitiH
Vitamin C: Adds glow and protection
Suwalsky M, Hernndez P, Villena F, Aguilar F, Sotomayor CP
Experientia 33(2):151152 anoszka K, Vlkov N (2023) Natural Sirtuin1 activators and atherosclerosis: an overview
Therefore, the fact remains that the benefits of L-carnitine (as well as those of other supplements), can be indirect and take longer to be extremely visible, for example weeks, unlike supplements that can directly affect sports performance (such as creatine and caffeine), but certainly not less for the systemic effects on the well-being and health of the person who uses it