MIT scientists have found that an amino acid called cysteine can help the gut heal itself. In mouse studies, a cysteine-rich ...

Researchers at Rice University have engineered living cells to use a 21st amino acid that illuminates protein changes in real ...

In a peer-reviewed analysis, scientists quantify amino acids before and after our “last universal common ancestor.” The last universal common ancestor (LUCA) is the single life form that branched into ...

Your body needs arginine, more commonly known as L-arginine in supplement form, to carry out several important functions. It’s an amino acid that helps build proteins. It’s especially important for ...