Study identifies molecule that stimulates muscle-building

CHICAGO, Aug. 9 (Xinhua) -- In a randomized control study of 10 healthy young men, researchers at the University of Illinois (UI) found that dileucine, two-molecule equivalent of single amino acid leucine, boosts the metabolic processes that drive muscle growth 42 percent more than free leucine does.

For the new study, participants came to the lab after a 12-hour fast and were infused with stable isotopes, chemi