The first thing they noticed was that the infected mice were not eating as much—a sign of likely metabolic changes.

Leucine is the amino acid that signals your muscles to start repairing and growing. Here’s why it matters.

“They increase the quality of the muscle you build as opposed to just the size of the actual muscle.” ...

Salk scientists discover amino acid supplement protects mice against inflammation-related injury and death. The amino acid (methionine) boosts kidney filtration to clear pro-inflammatory factors, ...

In a new study of people with long-term vegan diets, most ate an adequate amount of total daily protein, but a significant proportion did not meet required levels of the amino acids lysine and leucine ...