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

• 

  Vital Nutrients L-Theanine 200 mg 60 Capsules

  boulevardcompounding.com4.7(51)

  $36.99
• 

  L-Theanine 200

  Bock Nutritionals

  $52.99
• 

  Nootropics Depot L-Theanine Capsules

  Nootropics Depot4.5(15)

  $15.99
• 

  Sports Research L-Theanine Suntheanine Softgels

  Vitacost.com4.7(1100)

  $20.97
• 

  Vitacost L-Theanine 200 mg 60 Tablets

  iHerb4.6(80)

  $8.24Lowest
• 

  L-THEANINE 200 capsules

  NutriKey4.8(27)

  $21.50
• 

  Vitamatic L-Theanine 200mg Caffeine 100mg 120 Tablets

  Walmart - Vitamatic4.4(93)

  $9.99
• 

  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.

• I'll Pump You Up

  4.8 (163)

  Vitamin & supplements store

  1111 Court St, Clearwater, FL 33756

  Directions(727) 441-1829

• Vitamin Outlet

  4.8 (45)

  Vitamin & supplements store

  3665 E Bay Dr #188, Largo, FL 33771

  Directions(727) 536-0120

• GNC

  4.3 (48)

  Vitamin & supplements store

  5020 E Bay Dr Ste 200, Clearwater, FL 33764

  Directions(727) 524-2900

• The Vitamin Shoppe

  4.5 (155)

  Vitamin & supplements store

  13100 Seminole Blvd, Largo, FL 33778

  Directions(727) 581-2592

• VitaminMed

  5.0 (3)

  Vitamin & supplements store

  1231 S Myrtle Ave, Clearwater, FL 33756

  Directions(800) 949-7875

• Foundation Supplements

  4.8 (37)

  Vitamin & supplements store

  3409 W Bay to Bay Blvd, Tampa, FL 33629

  Directions

• Chantilly Health & Wellness

  4.8 (19)

  Vitamin & supplements store

  12199 Indian Rocks Rd, Largo, FL 33774

  Directions(813) 245-0314

• The Vitamin Shoppe

  4.4 (113)

  Vitamin & supplements store

  2719 Gulf To Bay Blvd Ste 1170, Clearwater, FL 33759

  Directions(727) 799-1757

• 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 2014-01-24. DSLD Label ID: 29356. 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.