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 Lip Mino with Carnitine Austin Hodges IFBB PRO L Carnitine is often marketed as a fat burner, but most people don't realize that oral and injectable L Carnitine are not the same. . Oral Instagram L carnitine is an amino acid derivative that plays a crucial role in the bodys energy production processes. As an injectable supplement, L carnitine has been employed to support various health