Acetyl L Carnitine: Benefits, Forms, Dosing, and Side Effects Dr Brad Stanfield L Carnitine Linus Pauling Institute Oregon State University L Carnitine Linus Pauling Institute Oregon State University iSatori L CARNITINE Fat Loss If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy.