Dietary supplementation of l carnitine ameliorates metabolic syndrome independent of trimethylamine N oxide produced by gut microbes in high fat diet induced obese mice Food & Function (RSC Publishing) L Carnitine Boosts Post Exercise Recovery in Young Active Adults, Plus Combats Age Related Muscle Loss in Elderly, Say Review Authors Nutritional Outlook Supplement, Food & Beverage Manufacturing Trends Losing weight with L carnitine supplements. Yes or no? Simultaneous quantification of trimethylamine oxide and its precursors from gut microbial metabolic pathway Identification of TMAO producer phenotype and hostdietgut dysbiosis by carnitine challenge test in human and germ free mice Gut Full article: Trimethylamine N oxide formation, the bacterial taxa involved and intervention strategies to reduce its concentration in the human body