Frontiers Association between fatigue, peripheral serotonin, and L carnitine in hypothyroidism and in chronic fatigue syndrome Revisiting the Role of Carnitine in Heart Disease Through the Lens of the Gut Microbiota The formation of trimethylamine Noxide (TMAO) from dietary lcarnitine Download Scientific Diagram L Carnitine intake and high trimethylamine N oxide plasma levels correlate with low aortic lesions in ApoE transgenic mice expressing CETP Atherosclerosis Dietary allicin reduces transformation of L carnitine to TMAO through impact on gut microbiota ScienceDirect Low Bioavailability and High TMAO Production: Novel Insights Into Acetylcarnitine and Carnitine Metabolism KrimsDavis 2025 Molecular Nutrition & Food Research Wiley Online Library