Acetyl L Carnitine: Benefits, Forms, Dosing, and Side Effects Dr Brad Stanfield CarniTide & CarniSema: Enhanced Weight Loss Through L Carnitine Comp Lake Hills Wellness 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. Benefits of L carnitine injections are aplenty! This injection is a great way to boost your energy levels, help with weight management, and even promote healthy heart function. Studies show that L Carnitine: Benefits, Uses, and Side Effects Lifespan Research Institute