Early research into L carnitine was often cited as underwhelming, showing negligible changes in muscle carnitine content and fat loss outcomes. However, these findings may have been limited by a short study window Fatty liver disease: Functional foods offer natural remedies ScienceDirect Carnitine Synergy Superior Supplement Products Science First Designs for Health Role of natural compounds in non alcoholic fatty liver diseases (NAFLD): a mechanistic approach Egyptian Liver Journal Springer Nature Link Mitochondrial control of fuel switching via carnitine biosynthesis Science