Machine learning guided discovery of SLC25A45 as a mediator of mitochondrial methylated amino acid import and carnitine synthesis: Cell Metabolism Carnitine and Acylcarnitine Analysis Service LCMS MS Quantification Creative Proteomics 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 Effect of dietary supplementation with L Carnitine and fenofibrate on broiler chickens