Kennedy D. B Vitamins and the Brain: Mechanisms, Dose and Efficacy—A Review. Nutrients. 2016 Feb; 8(2): 68.
Aring C, Spies T. Vitamin B Deficiency and Nervous Disease. J Neuro Psychiatry: first published as 10.1136/jnnp.2.4.335 on 1 October 1939.
T C Birdsall. 5-Hydroxytryptophan: a clinically-effective serotonin precursor. Altern Med Rev 1998 Aug; 3(4): 271-80.
Laura Wise, Ishani Premaratne, Mari Aceto. Pharmacol Biochem Behav. 2012 Dec; 103(2): 245-252.
C Rob Markus, Berend Olivier, Edward HF de Haan. Whey protein rich in α-lactalbumin increases the ratio of plasma tryptophan to the sum of the other large neutral amino acids and improves cognitive performance in stress-vulnerable subjects. Am J Clin Nutr. 2002 June; 75(6):1051–56.
The information below is required for social login
Sign In