L-Tyrosine
NOW Foods · Supplements · 500mg
4.33rd party testedearly evidence
6.3of 10
where to buy · 2 sellersfrom S$16S$0.13 per serving
Good for: focus, energy.
The score explained
evidence, testing and value, weighed before price
Why 6.3 of 10: Provisional: situational buffer with narrow but real evidence.
what’s good
- Cheap
- Some evidence under stress
worth knowing
- Situational, early evidence
what the evidence says
Tyrosine's evidence is situational: under acute stressors like sleep deprivation, cold or multitasking pressure, small trials show preserved cognitive performance, while in rested states it does little. It is a buffer for bad nights, not a daily energy source.
Plain-language assessment of the human evidence. No cherry-picked citations.
reviews
4.3· 900 reviews, aggregated
Most reviewers take it for focus and report it doing its job quietly. Ratings cluster around 4.3 stars across retailer sites, with few complaints beyond shipping.
focuseasy to tolerategreat value
AI summary of public reviews
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