The effect of l carnitine supplementation on mortality and clinical outcomes in ventilator dependent critically ill patients with obesity and COVID 19: Protocol for a randomized double blind placebo controlled trial ScienceDirect The carnitine system and cancer metabolic plasticity Cell Death & Disease L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe Carnitine: the claims and why it may not work The intestinal microbial metabolite acetyl l carnitine improves gut inflammation and immune homeostasis via CADM2 ScienceDirect