Theanine, also known as L-theanine, is an amino acid. It is found in tea leaves, especially in green tea and loose-leaf teas. You can consume L-theanine by drinking matcha, green tea, or white tea.

For adults, the estimated amino acid requirement for phenylalanine and tyrosine combined ... Tyrosine supplementation can be found in its free form. It can also be found as N-acetyl L-Tyrosine (NALT).

The approval marks the first time gene therapy will be available to treat patients with aromatic I-amino acid decarboxylase ...

Gamma radiation can convert methane into a wide variety of products at room temperature, including hydrocarbons, oxygen-containing molecules, and amino acids, reports a research team. This type of ...