L-carnitine is synthesized in the body from the amino acids lysine and methionine but it can also be found in nutritional sources such as red meats, dairy products and avocados. Its main role in the body is to help metabolize food into energy. L-carnitine does this by transferring long chain fatty acids into mitochondria where they are oxidised to produce energy.
L-carnitine is heart friendly and has been used for many years in the treatment of heart disease. Studies have shown that it can increase the heart’s output and function, stimulate energy supply to the heart and improve overall cardiac performance.
Many bodybuilders use it for the following reasons:
1. It promotes muscle growth.
2. It increases energy.
3. It helps to burn fat.
4. It helps to prevent muscle fatigue.
L-carnitine is a relatively safe supplement provided the manufacturer’s recommendations are followed. As with all supplements, remain aware that l-carnitine could be contained in other products so read the labels carefully to ensure your daily intake does not exceed four grams.
Richard Mitchell is the creator of the website that provides guidance and information to athletes at all levels of bodybuilding experience. Go to to learn more about the issues covered in this article.
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