One Factor at a Time and factorial experimental design for formulation of l carnitine microcapsules to improve its manufacturability ScienceDirect l Carnitine and Intestinal Inflammation ScienceDirect Serum L Carnitine Levels Are Associated With First Stroke in Chinese Adults With Hypertension Stroke l Carnitine reduces reactive oxygen species endoplasmic reticulum stress and maintains mitochondrial function during autophagy mediated cell apoptosis in perfluorooctanesulfonate treated renal tubular cells Scientific Reports