Question
Is L-theanine legit?
In context of L-theanine·Promising72/100
In our editorial model, L-theanine maps to a Promising verdict at 72/100 overall (evidence 68/100, safety 88/100, hype gap 50/100). Amino acid from tea; human trials suggest calm focus effects, often studied with caffeine, but effect sizes are modest.
Full ingredient file
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Other questions on L-theanine
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