l arginine verses l-carnitine vs L-Arginine: Understanding Their Differences and Benefit – Fitness Health Increases the neurotransmitter content of brain cells L-Carnitine | Linus Pauling Institute
Description
L-Carnitine is a compound naturally present in the body, synthesized from the amino acids lysine and methionine

10.1371/journal.pone.0119316 PLoS One
L-carnitine is required for fat metabolism, energy production, as well as other bodily functions

Each 118 mL container of Levocarnitine Oral Solution, USP (Sugar Free) contains 1 g of levocarnitine/10 mL

But its best to chat with your doctor before taking any new supplement.
