Tyrosine
Tyrosine,
taken during exposure to stress, improves mood, decreases stress-related complaints
and enhances mental performance. Banderet LE and Lieberman HR.
Treatment with Tyrosine, a Neurotransmitter Precursor, Reduces Environmental
Stress in Humans. Brain Res Bull 1989;22(4):759-62.
According
to very preliminary evidence, tyrosine supplements may help fight fatigue
and improve memory and mental function in people who are deprived of sleep or
exposed to other forms of stress. Neri DF, Wiegmann D, Stanny RR,
et al. The effects of tyrosine on cognitive performance during extended wakefulness.
Avit Space Environ Med. 1995;66:313–319.
Preliminary
findings indicate a beneficial effect of tyrosine, along with other
amino acids, in people affected by dementia, including Alzheimer’s disease.
Meyer JS, Welch KMA, Deshmuckh VD, et al. Neurotransmitter precursor amino
acids in the treatment of multi-infarct dementia and Alzheimer’s disease.
J Am Geriatr Soc 1977;7:289–98.
Due
to its role as a precursor to norepinephrine and epinephrine (two of the body’s
main stress-related hormones) tyrosine may also ease the adverse effects
of environmental, psychosocial, and physical stress. Neri DF, Wiegmann
D, Stanny RR, et al. The effects of tyrosine on cognitive performance during
extended wakefulness. Aviat Space Environ Med 1995;66:313–9. Deijen JB,
Wientjes CJ, Vullinghs HF, et al. Tyrosine improves cognitive performance and
reduces blood pressure in cadets after one week of a combat training course.
Brain Res Bull 1999;48:203–9. . Shurtleff D, Thomas JR, Schrot J, et al.
Tyrosine reverses a cold-induced working memory deficit in humans. Pharmacol
Biochem Behav 1994;47:935–41. Deijen JB, Orlebeke JF. Effect of tyrosine
on cognitive function and blood pressure under stress. Brain Res Bull 1994;33:319–23.
Brain
Tonic's all natural ingredients contribute to a better quality of life.
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