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The bovine protein alpha-lactalbumin increases the plasma ratio of tryptophan to the other large neutral amino acids, and in vulnerable subjects raises brain serotonin activity, reduces cortisol concentration, and improves mood under stress.
Markus CR, Olivier B, Panhuysen GE, Van Der Gugten J, Alles MS, Tuiten A, Westenberg HG, Fekkes D, Koppeschaar HF, de Haan EE. Markus CR, et al. Among authors: fekkes d. Am J Clin Nutr. 2000 Jun;71(6):1536-44. doi: 10.1093/ajcn/71.6.1536. Am J Clin Nutr. 2000. PMID: 10837296 Clinical Trial.
Stress, serotonergic function, and mood in users of oral contraceptives.
Tuiten A, Panhuysen G, Koppeschaar H, Fekkes D, Pijl H, Frölich M, Krabbe P, Everaerd W. Tuiten A, et al. Among authors: fekkes d. Psychoneuroendocrinology. 1995;20(3):323-34. doi: 10.1016/0306-4530(94)00063-g. Psychoneuroendocrinology. 1995. PMID: 7777660 Clinical Trial.
Plasma amino acids and sports injuries.
van den Baar MT, Fekkes D, van den Hoogenband CR, Duivenvoorden HJ, Pepplinkhuizen L. van den Baar MT, et al. Among authors: fekkes d. Amino Acids. 2004 Feb;26(1):71-6. doi: 10.1007/s00726-003-0008-x. Epub 2003 Jun 6. Amino Acids. 2004. PMID: 14752619
116 results