L-Theanine 200 mgnone

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 Capsule(s) · 1 per day

Not Present

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  Nature Made Chewable L Theanine Tablets

  Walmart4.4(68)

  $12.74
• 

  Vital Nutrients L-Theanine 200 mg 60 Capsules

  boulevardcompounding.com4.7(51)

  $36.99
• 

  Sports Research L-Theanine Suntheanine Softgels

  Vitacost.com4.7(1100)

  $20.97
• 

  Nootropics Depot L-Theanine Capsules

  Nootropics Depot4.5(15)

  $15.99
• 

  365 by Whole Foods Market Double Strength L Theanine 200mg 60 Count

  Whole Foods Market

  $21.99
• 

  L-Theanine 200 mg 90 capsules

  Walmart - Pattern

  $54.00
• 

  L-THEANINE 200 capsules

  NutriKey4.8(27)

  $21.50
• 

  Dr aziz L-Theanine Supplement

  Dr Aziz Pharmacy

  $37.71

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 Depot

  5.0 (112)

  Vitamin & supplements store

  2005 Southwest Fwy, Houston, TX 77098

  Directions(346) 516-0878

• Supplement Warehouse

  4.7 (229)

  Vitamin & supplements store

  181 W Crossroads Pkwy Ste F, Bolingbrook, IL 60440

  Directions(630) 965-8526

• Supplement Superstore

  5.0 (1389)

  Vitamin & supplements store

  8420 Eager Rd, St. Louis, MO 63144

  Directions(314) 961-3935

• Lindberg Nutrition

  4.6 (146)

  Vitamin & supplements store

  3804 Sepulveda Blvd, Torrance, CA 90505

  Directions(310) 378-9490

• Willner Chemists

  4.7 (146)

  Vitamin & supplements store

  100 Park Ave, New York, NY 10017

  Directions(800) 633-1106

• GNC

  4.7 (201)

  Vitamin & supplements store

  2 Pennsylvania Plaza Ste 29B, New York, NY 10121

  Directions(212) 239-1251

• GNC

  4.4 (92)

  Vitamin & supplements store

  753 Broadway Spc 753, New York, NY 10003

  Directions(212) 380-5999

• GNC

  4.3 (110)

  Vitamin & supplements store

  3799 Broadway, New York, NY 10032

  Directions(212) 368-5385

• Effects of L-theanine administration on stress-related symptoms and cognitive functions in healthy adults: a randomized controlled trial

  S Hidese, S Ogawa, M Ota, I Ishida, Z Yasukawa… - Nutrients, 2019 - mdpi.com

  … weeks L-theanine administration (200 mg/day, four weeks) in a … -A levels were measured at our laboratory using Salivary enzyme … or placebo administration are shown in Supplementary …

  2019362 citations

• A Randomized, Triple-Blind, Placebo-Controlled, Crossover Study to Investigate the Efficacy of a Single Dose of AlphaWave®l-Theanine on Stress in a Healthy Adult …

  M Evans, AC McDonald, L Xiong, DC Crowley… - Neurology and …, 2021 - Springer

  … , all markers out of laboratory range were deemed not … administered a 200 mg single dose of AlphaWave ® l-Theanine, … in long-term supplementation with l-theanine in the formulation …

  202149 citations

• Safety and Efficacy of AlphaWave®l-Theanine Supplementation for 28 Days in Healthy Adults with Moderate Stress: A Randomized, Double-Blind, Placebo …

  M Moulin, DC Crowley, L Xiong, N Guthrie… - Neurology and …, 2024 - Springer

  … subsequent follow up, and out of range laboratory values and changes in vital signs were … that showed supplementation with l-theanine (200 mg/day) for four weeks in healthy adults …

  202427 citations

• Anti-stress, behavioural and magnetoencephalography effects of an L-theanine-based nutrient drink: a randomised, double-blind, placebo-controlled …

  DJ White, S De Klerk, W Woods, S Gondalia, C Noonan… - Nutrients, 2016 - mdpi.com

  … stressor after receiving 200 mg of l-theanine compared to … to mood and general health, l-theanine is emerging as an … research, daily supplementation with 300–400 mg of PS over …

  2016180 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-02-23. DSLD Label ID: 6395. 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.