Amino acidUpdated 2026-10-07
L-Theanine
In our live catalog, 13 products contain L-Theanine. Median amount per serving is 200 mg. Median price is €26.60.
- Products
- 13
- Median per serving
- 200 mg
- Per serving
- €0.28
- median · 4 with dose
- Median price
- €26.60
- Structured dose
- 31 %
- 4 of 13 products
In our catalog
What the range looks like
Live figures from our structured ingredient data — recalculated when the catalogue changes, never copied from marketing.
- Amount span per serving
- 50–200 mg
- Median price per g
- €3.73
- Servings/pack
- 75
- Per serving
- €0.17–€0.89
Top lists
Lowest price per serving
Price for the displayed serving, which may differ from daily intake. Only products with a known serving are ranked.
- NOW Foods - L-Theanine With Decaf Green Tea, 100mg - 90 VcapsNOW Foods · 1 capsule€0.18
- Swanson - Gabaplex - 60 VcapsSwanson · 1 capsule€0.27
- MuscleTech Hydroxycut Hardcore EliteMuscletech · 1 capsule€0.31
- Life Extension - Enhanced Stress Relief - 30 VcapsLife Extension · 1 capsule€0.90
Top lists
Highest amount per serving
Most L-Theanine per serving, regardless of price.
- PEScience - Prolific - Muscle SupportPEScience · Out of stock200 mg
- Nutricost - L-TheanineNutricost200 mg
- Evlution Nutrition - Z-Matrix - 240 CapsEVLution Nutrition200 mg
- Life Extension - Enhanced Stress Relief - 30 VcapsLife Extension200 mg
- Pescience - Prolific - Pre-Workout FormulaPEScience200 mg
Products with L-Theanine
Showing the first 12 of 13 products. See all in L-Theanine →
PEScience
PEScience - Prolific - Muscle Support
€5.34200 mg
EVLution Nutrition
Evlution Nutrition - Z-Matrix - 240 Caps
€24.91200 mg
Life Extension
Life Extension - Enhanced Stress Relief - 30 Vcaps
€26.60200 mg
PEScience
Pescience - Prolific - Pre-Workout Formula
€30.78200 mg
NOW Foods
NOW Foods - L-Theanine, 200mg (90 Vcaps)
€34.51200 mg
Revive
Revive - Sleep
€44.74200 mg
Doctor's Best
Doctor's Best - L-Theanine - 90 Veggie Caps
€34.78150 mg
NOW Foods
NOW Foods - L-Theanine With Decaf Green Tea, 100mg - 90 Vcaps
€15.48100 mg
Muscletech
MuscleTech Hydroxycut Hardcore Elite
€30.24100 mg
Swanson
Swanson - Gabaplex - 60 Vcaps
€15.4850 mg
NOW Foods
NOW Foods - Mood Support with St. John's Wort
€23.3050 mg
Ryse
Ryse - Loaded Pre
€48.3950 mg