L-tyrosine: Precursor to catecholamines including dopamine, norepinephrine, and epinephrine (1).
Vitamins B6 and C: Active forms of vitamin B6 and C are important for the synthesis of neurotransmitters (2,3).*
Vitamin E is an antioxidant that is important for optimal neurological functioning (4,5).*
References
1.Ng J, et al. Nat Rev Neurol. 2015;11:567-84.
2.Dakshinamurti K. Ann NY Acad Sci. 1990;585:128-44.
3.May J, et al. Brain Res Bull. 2013;90:35-42.
4.Lobo V, et al. Pharmacogn Rev. 2010;4(8):118-126.
5.Nooyens A, et al. Brit J Nutr. 2015;113:1410-1417.