Some evidence suggests that L-tryptophan supplements may help to treat conditions such as anxiety and sleep disorders. However, more research into the safety and efficacy of L-tryptophan supplements ...

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-glutamine, sometimes simply called glutamine, is an amino acid that plays a key role in many aspects of your health. In fact, studies show that it’s essential for immune health, cell function, and ...

L-citrulline is a substance called a non-essential amino acid. Your kidneys change L-citrulline into another amino acid called L-arginine and a chemical called nitric oxide. These compounds are ...