L-Theanine 200 mg®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Serving Size: 1 Veggie Capsule(s) · 1–2 per day

Not Present

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  The Vitamin Shoppe L-Theanine

  The Vitamin Shoppe4.5(24)

  $27.99
• 

  the Vitamin Shoppe L-THEANINE 200 MG 120 EA

  The Vitamin Shoppe4.8(5)

  $44.99
• 

  The 60 Capsules Sleep Support Relaxation & Calming Formula

  The Vitamin Shoppe3.8(46)

  $24.99
• 

  Solaray L-Theanine Chewable Lemon Lime 200mg

  The Vitamin Shoppe4.7(64)

  $24.99
• 

  Now Foods L-Theanine 200mg Double Strength 120 Veg Capsules

  The Vitamin Shoppe4.7(7600)

  $45.99
• 

  Nutricost L-Theanine Capsules

  Walmart4.8(7400)

  $5.88Lowest
• 

  Nature Made Chewable L Theanine Tablets

  Target4.4(68)

  $13.99
• 

  Jarrow Formulas Theanine 200 mg. 60 Capsules

  Swanson Health Products4.8(1100)

  $20.99

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• NUTRITION LAB

  5.0 (221)

  Vitamin & supplements store

  Via Cornelia, 116, 00166 Roma RM

  Directions388 616 8071

• YesWellness - USANA supplements

  5.0 (4)

  Vitamin & supplements store

  Via Brembo, 20139 Milano MI

  Directions351 766 6093

• Nutragenix - Integrazione Innovativa

  4.9 (68)

  Vitamin & supplements store

  Largo Messico, 7, 00198 Roma RM

  Directions342 552 0104

• Vitamina

  4.9 (219)

  E-commerce service

  Via della Fortezza, 21/A, 51100 Pistoia PT

  Directions391 149 0521

• Usana Health Sciences Italia

  5.0 (1)

  Vitamin & supplements store

  Viale Eritrea, 91, 00199 Roma RM

  Directions

• mystorenutrition integratori sport benessere e spedizioni express

  5.0 (120)

  Vitamin & supplements store

  S.da Statale 19 delle Calabrie, 61, 87050 Pian del Lago CS

  Directions320 199 8104

• Herbalife Nutrition Milano - Distributore Indipendente

  5.0 (48)

  Vitamin & supplements store

  Via Angelo Emo, 19, 20132 Milano MI

  Directions339 202 4678

• Genesis Nutrition srl

  4.4 (16)

  Vitamin & supplements store

  Via Longa, 3, 20072 Fizzonasco MI

  Directions02 9042 5117

• Get Price Alerts

  G Sleep, PPSAU PeptiSleep - blog.priceplow.com

  … L-theanine is well-known for its ability to promote relaxation without any sedative effects or risk of chemical dependency, making it a perfect addition to a sleep aid designed for …

• Promising, but Not Completely Conclusive—The Effect of l-Theanine on Cognitive Performance Based on the Systematic Review and Meta-Analysis of …

  RO Mátyus, Z Szikora, D Bodó… - Journal of Clinical …, 2025 - mdpi.com

  … found that l-theanine and the combination of l-theanine and … (2011) evaluated the effect of 200 mg l-theanine on attention … Subjects in both groups were given either 200 mg of l-theanine …

  20258 citations

• L-Theanine for Dissociation: Promoting Calm and Presence

  TY Order, USD Australia, EUR Finland, EUR France… - moodriselabs.com

  … Welcome to our store … L-theanine has been shown to lower cortisol levels in stressful situations. In clinical studies, participants who took 200 mg of L-theanine before a stressor had …

• L-Theanine Benefits

  WDL Do - qualialife.com

  … In a controlled trial, a single 100 mg dose of l-theanine improved selective attention and reduced … Most controlled studies use 100–200 mg of pure L-theanine. To reliably match that with …

• The effect of oral supplementation of L-Theanine and Stress formula vitamin on the stress reduction

  W Mongkonsritragoon - 2015 - mfuir.mfu.ac.th

  … In this study, we investigated the effects of orally administered L-Theanine 200 mg or Stress formula vitamin (Stresstab 600 mg) on Mental Arithmetic Task Based Human Stress Level …

  2015

• How to Improve Focus Naturally: A Brain Coach's Method

  K Andrews - noobru.com

  … with L-theanine. A 2010 study in Nutritional Neuroscience found that 97 mg caffeine paired with 40 mg L-theanine … L-theanine promotes alpha brain wave activity — the relaxed-but-alert …

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-06-24. DSLD Label ID: 203581. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.