Branched Chain Amino Acids Increase Fat Use

Health, Nutrition, Supplements -

Branched Chain Amino Acids Increase Fat Use

The branched chain amino acids (BCAA) include leucine, isoleucine and valine. They are essential amino acids, which means they must be consumed in the diet. They make up 33 percent of skeletal muscle and turn over rapidly during exercise. They are also essential for muscle protein synthesis, which is the building of proteins from amino acids. Researchers from Finland speculated that BCAA’s are also important regulators of fat metabolism. Increased BCAA use, particularly in fit people, boosts fatty acid use for fuel and spares muscle glycogen. Many bodybuilders and other athletes take BCAA supplements to promote protein synthesis and recovery from exercise. BCAA’s might also promote fat use. (Exercise Sport Science Reviews, 41: 194-200, 2013)


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