Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications Serum L Carnitine Levels Are Associated With First Stroke in Chinese Adults With Hypertension Stroke Carnitine can be a game changer for those with NF. It helps build muscle, improves learning problems, and reduces nerve pain. Who takes it? L Carnitine Assay Kit (ab83392) Abcam