Luneri

L Theanine clinical brief

L Theanine

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Cognitive

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Evidence strength

High confidence

4 meta-analyses - 73 RCTs - 107 tracked studies

Evidence index82/100

Dossier-backed

This page is grounded in structured dossier fields, with deterministic summaries layered on top for readability.

What it is for

Acute stress response / anxiolytic

The clearest current human use case based on dose, outcomes, and clinical coverage.

What moves

Human linked

Highest-signal biomarkers

hs-CRP

Inflammation

Decrease

Grade B

DHEA-S

Hormonal

Decrease

Grade B

AST

Hepatic and liver

Decrease

Grade B

Research signal

Top caution

Drug interaction

Additive GABAergic potentiation: L-theanine increases GABA synthesis and release via glutamate-to-GABA shunting; co-administration may augment CNS depression, sedation, and psychomotor impairment

Evidence index

Promoted product-registry confidence score

Meta-analyses

Pooled human evidence

RCTs

Randomized clinical trials

Tracked studies

107

Studies currently mapped to this dossier

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Preview summary

Clinical opening brief

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This executive summary is generated by application logic from structured dossier evidence and safety fields.

L Theanine is a Cognitive with its clearest current use in Acute stress response / anxiolytic.

High confidence human evidence supports the brief, anchored by 107 tracked studies, 4 meta-analyses, 73 RCTs and the most reliable movement in hs-CRP, DHEA-S, AST.

L-theanine generally well-tolerated at standard doses in enriched RCTs Additive GABAergic potentiation: L-theanine increases GABA synthesis and release via glutamate-to-GABA shunting; co-administration may augment CNS depression, sedation, and psychomotor impairment Clinical trials measuring BP and HR as theanine endpoints must include standardized stress induction protocols; resting-state cardiovascular measurements are not valid efficacy endpoints for L-theanine

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Research unlocks the working sections of the brief

The clinical opening stays public. Research opens the deeper evidence, biomarker, dosing, and PGx layers once you want the full operating brief.

Overview

Mechanism, safety, and scope

The opening memo leads into the working sections where the compound gets pressure-tested before it belongs in a real protocol.

Mechanism summary, safety framing, and evidence-scope caveats continue here.

Synergies, contradictions, and unresolved questions sit alongside the overview before the tables begin.

Reading path

From memo into tables

Evidence rows show trial design, outcome direction, grading, and the specific claims that survived synthesis.

Biomarker groups, dosing protocols, and PGx notes sit behind the next layer once you need operational detail.

Evidence

Graded study rows

Trial design, endpoint direction, and confidence cues.

Biomarkers

Grouped outcome maps

Human-linked markers, dosing context, and cluster summaries.

Dosing

Protocol context

Use-case-specific doses, duration, and practical notes.

PGx

Actionable modifiers

Genes, interactions, and what actually changes practice.

Biomarker and evidence layer

Highest-signal biomarkers, evidence rows, and claim-by-claim grading live here once the dossier graduates from opening memo to working brief.

Current public view: Dossier live. Full access reveals the actual operating tables.

Protocol detail

Dosing schedules, form choices, and practical timing are held back until the compound is worth operationalizing.

PGx modifiers and safety friction stay in the same layer so the protocol decision is made in one pass, not by guesswork.

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