Dr Amen BrainMD NeuroLink - 180 Capsules - Promotes Optimal Brain Function, Focus & Concentration - Gluten Free - 45 Servings Exp. 08/26 About this item BETTER BRAIN CHEMISTRY - Our exclusive blend of nutrients supports key neurotransmitters like adrenaline, noradrenaline, dopamine, GABA, glutamate, and serotonin. STAY CALM, GET STUFF DONE - Each serving contains 500 mg of GABA, an amino acid considered to be the brain's calming neurotransmitter. Other powerful ingredients include 5-HTP, L-Tyrosine, and L-Glutamine. THINK MORE CLEARLY - Our ability to focus is crucial to productivity, learning, and overall success. NeuroLink supports emotional stability, and can also help with mental clarity and concentration. SUPPORTS BRAIN DEVELOPMENT - Our formula includes Vitamin B6 (Pyridoxal-5-Phosphate) and Taurine (L-Taurine), two nutrients necessary for brain and eye growth. QUALITY & PURITY - All BrainMD products are doctor formulated and manufactured in FDA registered facilities. All of our ingredients adhere to strict purity guidelines.