Ma Huang , also Chinese, used as a brain stimulant. L-Phenylalanine releases noradrenaline, which improves one's mood. L-Pyroglutamic acid occurs naturally in brain fluids. Other amino acids are protein components. Antioxidants such as vitamins A, C and E protect brain cells from damage.
B vitamins have positive effects on the nervous system.
Choline and Lecithin are turned by your body into asetylcholine, which transmits neural impulses in the brain.