[D-Ala2] Leu-Enkephalin

(D-ALA2)-Leucine enkephalin is widely distributed in the human body and has extremely important physiological functions. It not only has a unique effect on brain cells, but also can activate brain cells in a sleeping state, and has a good recovery effect on sequelae caused by brain damage; It plays an important role in immune function, including increasing the activity of the immune system, T lymphocytes, NK cells, macrophages, etc., antiviral, and increasing the release of γ-interferon.