L Carnitine: Uses, Benefits, Dosage, and Side Effects StrengthLog Carnitine and acetyl L carnitine Neuroneeds Acetyl L Carnitine Supplement: Uses, Benefits, Side Effects, Dosage, A Welltopia Pharmacy What are the benefits of carnitine? Ask Huberman Lab L Carnitine Benefits: A Complete Research Based Guide 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.