L-Tyrosine

Effect of tyrosine supplementation under stress or when under cognitive strain
Tyrosine counteracts declines in working memory caused by stress or fatigue.
L-Tyrosine: keeping a clear head under pressure
Jongkees BJ et al.
2015
Behavioural and cognitive effects of tyrosine intake
Modest but significant improvements in cognitive function under demanding conditions.
L-Tyrosine: the precursor to dopamine, which aids concentration
Multiple authors
2015
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