A number of small, poorly controlled studies have reported that either acute (dose given one hour before exercise bout) or short-term (two to three weeks) supplementation with L-carnitine (2 to 4 g/day) supported energy production, cardiorespiratory fitness, and endurance capacity during physical exercise (reviewed in 129)
Calorie control is key
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Arosio, E., De Marchi, S., Zannoni, M., Prior, M., & Lechi, A
* Correspondence: Valeria Calcaterra, [email protected] Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers