is l-carnitine banned by wada What's in sport - the Prohibited List WADA: USADA's guidance to Nike

It can potentially enhance exercise performance and recovery

However, in a double-blind, placebo-controlled trial in 32 healthy adults, propionyl-L-carnitine (1 g/day or 3 g/day) for eight weeks did not improve aerobic or anaerobic exercise performance (130)

2012;7:e41686

It also serves several other important functions in your body, contributing to: Normal iron metabolism Maintenance of normal skin and mucous membranes Maintenance of normal vision Normal function of the immune system The process of cell specialisation/differentiation Good dietary sources of Vitamin A include cheese, eggs, oily fish, liver, milk and yoghurt

Brain regions involved in fatigue sensation: reduced acetylcarnitine uptake into the brain