L carnitine is a naturally occurring amino acid structure that is made in the human brain, liver, and kidneys. L carnitine plays a critical role in energy production, as it converts fat into energy. L Carnitine functions as a cofactor for long chain fatty acids across Download Scientific Diagram The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation L Carnitine isn't magic but it can be a powerful tool when your training and nutrition are already dialed in Here's why I like it Supports fat metabolism L Carnitine helps