l-lysine and l-carnitine together benefits Lysine: Sources, Metabolism, Physiological Importance, Use as a Supplement L-carnitine burns fat. It doesn't.

doi: 10.1016/0076-6879(90)86107-7

It lowers serum low-density lipoprotein (LDL) levels not only by inhibiting HMG-CoA reductase but also by enhancing the production of H 2 S in endothelial cells, thereby exerting cardiovascular protective effects

Open 7 (9), e2434180

On the other hand, specific expansions have arisen in some species such as Aquilegia coerulea , Malus domestica , Eucalyptus grandis , and Panicum virgatum which have 58 genes

In Vivo (Athens, Greece) 24:471487 Mazzoccoli G, Vendemiale G, Inglese M, De Cata A, Piepoli A, Pazienza V, Muscarella LA, Tarquini R (2010b) Neuroendocrine axes function in healthy aging: Evaluation of predictive and manipulable blood serum indexes