Frontiers Age and APOE affect L carnitine system metabolites in the brain in the APOE TR model How L Carnitine Capsule Can Boost Your Exercise Performance & Recovery Machine learning guided discovery of SLC25A45 as a mediator of mitochondrial methylated amino acid import and carnitine synthesis: Cell Metabolism Frontiers Dietary supplementation with L carnitine elevates intracellular carnitine levels and affects gene expression of SLC25A20 and COX4I1, as well as non mitochondrial respiration of bovine blood cells during systemic immune challenge L CARNITINE