Theanine

DB12444InvestigationalSmall molecule

Theanine, a precursor of ethylamine, is found in green tea. It is under investigation in clinical trial NCT00291070 (Effects of L-Theanine in Boys With ADHD).

Chemical structure of Theanine
Mechanism
Curator reviewed
Formula / weight
C7H14N2O3 · 174.1977 g/mol (avg)
Also known as
L-theanine · N(5)-ethyl-L-glutamine · N5-ethyl-L-glutamine · Suntheanine · Theanin
Code names
NSC-21308

Resolves to

Compound
UNII8021PR16QOCAS3081-61-6ChEMBLCHEMBL3039113ChEBI58128PubChem439378KEGGC01047
Clinical / RWD
RxNorm38022
Structure
InChIKeyDATAGRPVKZEWHA-YFKPBYRVSA-NSMILESCCNC(=O)CC[C@H](N)C(O)=O
Targets
P43004SLC1A2P43003SLC1A3
Transporters
Q9H2H9SLC38A1

What you can answer from here — as of July 07, 2026

2Protein targetsEach mapped to UniProt, with action and pharmacological action
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1TransporterSubstrate / inhibitor direction, not just membership
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5Clinical trialsPhase, status and sponsor resolved per trial
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4Marketed productsAcross 1 country and 2 labellers
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6+ReferencesStructured and connected to the statements they support
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Which drugs share a target with Theanine, and which of those have an active Phase 3 trial?

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