(SW855)L-Tyrosine 500 mg 100 CapsHelps alleviate the effects of stress and supports mental focus, cognitive function and memory health Plays a role in the normal synthesis of dopamine and norepinephrine Help support a healthy mind by feeding your brain Swanson L Tyrosine! A key component of vital brain chemicals, L tyrosine plays an important role in maintaining healthy mental function. L tyrosine supports the production of the neurotransmitters norepinephrine and dopamine, both of