Neurotransmitter Support Amino Acids, Ginkgo and DMAE Plus CoQ10 and Grape Seed Extract Non-GMO A Dietary Supplement Kosher Amino Acids Family Owned Since 1968 GMP Quality AssuredNorepinephrine and Dopamine are key neurotransmitters for the maintenance of alertness and mental acuity and for promoting a feeling of general well-being. These two neurotransmitters are produced in the body from the amino acid precursors L-Tyrosine and L-Phenylalanine. This conversion process also requires Vitamin C and B-6 as cofactors. NOW True Focus combines these important nutrients with other ingredients like Ginkgo biloba and DMAE to complement this formula.