Non-Stimulant Focus Stack
L-Theanine
Daily
MODERATE
200mg
L-Tyrosine
Daily
MODERATE
1000mg
No interactions detected
Each dose includes evidence rationale · doses personalized to your weight
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2 items
Daily
Attention & cognitive performance (combined with caffeine)Cognitive function (standalone L-theanine)
200mg
Daily
cognitive performance under cold stresscognitive performance under sleep deprivationcognitive performance under stress
1000mg
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