l carnitine makes you sweat L-Carnitine is Underrated. New Meta Review Reminds Us Why Carnitine: the claims and why

Subanalysis of Serum CK, SOD, and Carnitine Levels Stratified by Age and Gender In the 2140 y age group, the relative change of serum CK from Pre to Wk5-Post (mean diff = 186

2015 Yutaka Seino Distinguished Leadership Award Lecture: The Japanese American Community Diabetes Study and the 'canary in the coal mine' J Diabetes Investig 7 5: 664-73

The authors of those individual studies as well as the reviewers have generally attributed the lack of performance benefits with L-carnitine to the inability to increase resting muscle carnitine concentrations

12 This same effect was not observed with the administration of oral formulation of ALA, where the use of 1200 mg/d for 2 years was not found to have a significant difference in adverse reactions compared to placebo