Supplements Easily Explained Part 3: L-Carnitine


L-Carnitine is a natural nutrient that used to be known as vitamin BT. L-Carnitine is a physiological substance, essential for energy production and for fat metabolism. L-Carnitinecan be synthesized in the human liver, but insufficient amounts may be produced in infants, in adolescents and in adults under certain physiological conditions.

L-Carnitine, also known as carnitine, is made in the liver and kidneys. It is derived from from the amino acids lysine and methionine and performs some of the same functions, such as helping metabolize food into energy, transportation of fatty acids and consumption and disposal of fat in the body. L-Carnitine is  found primarily in red meats (especially lamb and beef) and dairy products, but not in big enough quantities to be considered as a method of supplementation.

What are the Benefits of L-Carnitine in sports?

L-Carnitine transfers long-chain fatty acids, such as triglycerides into mitochondria (a cell’s energy powerhouse), where they may be oxidized, releasing energy. L-Carnitine is a very popular supplement that promotes fatty acid metabolism as well as growth and development. It is also used for fat-burning, increasing energy, and improving resistance to muscle fatigue. L-Carnitine also helps to build muscle. It is also great in dieting, as it reduces feelings of hunger and weakness. There is significant evidence that increased levels of carnitine in tissue leads to increased fat burning.

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