Frontiers A randomized clinical trial to evaluate the efficacy of L carnitine L tartrate to modulate the effects of SARS CoV 2 infection The effects of L carnitine supplementation on cardiovascular risk factors in participants with impaired glucose tolerance and diabetes: a systematic review and doseresponse meta analysis Diabetology & Metabolic Syndrome Springer Nature Link Causal Inference of Carnitine on Blood Pressure and potential mediation by uric acid: A mendelian randomization analysis ScienceDirect Serum L Carnitine Levels Are Associated With First Stroke in Chinese Adults With Hypertension Stroke New study links L carnitine in red meat to heart disease Harvard Health