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Low Energy Intake Suppresses Protein Synthesis

Brian Turner

Posted on October 23 2018

 Athletes need calories to supply energy for intense exercise. Energy intake is also important for turning on chemical pathways that promote protein synthesis, muscle growth and strength. Stefan Pasiakos from the University of Connecticut at Storrs and colleagues found that reducing energy intake by 20 percent suppressed signaling pathways that control protein metabolism and decreased protein synthesis. This study showed the importance of maintaining adequate energy intake during heavy training. You cannot make gains in muscle size and strength if you don’t eat enough food. (Journal Nutrition, 140: 745-751, 2010)