L-Histidine

L-Histidine from Now Foods is an essential amino acid that is best known for its role in the production of histamine, an important mediator of immune system responses. Histidine is also critical for normal brain function, as well as for the maintenance of a healthy skin barrier. In addition, histidine plays important roles in muscle function, cardiovascular health, protection against free radicals, and the elimination of heavy metals from the body.