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 ...

A few studies suggest that L-glutamine supplements may help IBS symptoms, but more research needs to be done. L-glutamine, or just glutamine, is an amino acid. Amino acids are molecules that form the ...

L-carnitine, also known as levocarnitine, is a naturally occurring amino acid structure that the body produces. It plays a critical role in energy production, converting fat into energy. Most people ...