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However, the findings are mixed and more detailed research is needed

Carnitine is an amino acid that works by transporting fatty acids to the mitochondria where they can be broken down into fuel

While standard L-carnitine is highly effective at facilitating physical energy production in muscle tissues, its ability to reach the central nervous system is notoriously limited

Because levels of carnitine are low in the failing heart muscle, supplemental amounts might counteract the toxic effects of free fatty acids and improve carbohydrate metabolism

L-carnitine helps your body use energy during workouts, which might make you feel less tired

One analysis of research out of Iran looked at the results of nine studies and found that supplementing with carnitine led to a significantly greater amount of weight loss as well as a larger drop in body mass index compared to a control group