Performance CognitiveHEAD-TO-HEAD

L-TheaninevsAlpha-GPC

CLINICAL COMPARISON // CHEMGRADE DATABASE

Compound Profile Comparison

Metric

L-Theanine

Alpha-GPC

Chemical ID

C7H14N2O3

Choline

Bio-Availability

High (Water Soluble)

High

Half-Life

3 Hours

4-6 Hours

Vendor

Nootropics Depot

Double Wood

Price

$15.99

$19.95

Goal-by-Goal Analysis

Performance Cognitive

L-Theanine

Dosage200mg (+100mg Caféine)

Timing30 min avant le travail

Efficacy Score

9.2/10

⚠️ Pas avant de dormir.

Alpha-GPC

Dosage300-600mg

Timing60 min avant tâche

Efficacy Score

8.9/10

⚠️ Contient de la Choline.

Verdict

L-Theanine scores 0.3 points higher for cognitive (9.2 vs 8.9). High (Water Soluble) bioavailability gives it a pharmacokinetic advantage.

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Acquire L-Theanine

$15.99

Vendor: Nootropics Depot

BUY L-THEANINE

Acquire Alpha-GPC

$19.95

Vendor: Double Wood

BUY ALPHA-GPC

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* This comparison is for educational purposes only. ChemGrade does not provide medical advice. Efficacy scores are based on aggregated clinical literature and are not a substitute for professional guidance.