l carnitine tmao nature medicine 2013 koeth Gut Microbiota-Derived TMAO: A Causal Factor Promoting Atherosclerotic Cardiovascular Disease? Gut Metabolite Trimethylamine-N-Oxide in Atherosclerosis:

3:a004457

The result is profound orthostatic intolerance, where the simple act of standing up triggers a cascade of debilitating symptoms, including tachycardia, dizziness, and severe shortness of breath, all rooted in a fundamental lack of cellular energy

Pharmacotherapy 2007

Role of Carnitine in Mitochondrial Fatty Acid Transport and -Oxidation Fatty acids from different sources (diet, endogenous de novo synthesis and adipose tissue hydrolysis) can cross the plasma membrane and enter the muscle cell by fatty acid transport proteins (FATPs), fatty acid translocase (FAT/CD36), caveolins and plasma membrane fatty acid-binding proteins (FABPpm) [30]

G., Canale, R