Citrulline Increases Abdominal Fat Burning

A French study on old rats led by Christophe Moinard from the University Paris Descartes showed that supplementing citrulline reduced abdominal fat levels and protected against age-related cell destruction. Citrulline is an amino acid that is converted to arginine, which increases levels of nitric oxide— an important chemical that regulates blood flow throughout the body. Citrulline also increases brown fat activity, which increases caloric expenditure and promotes fat burning. It does this without stimulating the sympathetic nervous system, which avoids increases in heart rate, blood pressure and anxiety. Citrulline increased levels of hormone-sensitive lipase by 150 percent, which promoted fat mobilization and use. Citrulline is an underappreciated supplement that improves fat burning and muscle blood flow. (Journal of Nutrition, 145:1429-1437, 2015)

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