L-Theanine 200 mg

Suggested Use

SUGGESTED USE: Take one capsule per day or as directed by your healthcare practitioner.

• 

  the Vitamin Shoppe L-THEANINE 200 MG 120 EA

  The Vitamin Shoppe4.2(12)

  $44.99
• 

  L-Theanine 200

  Harrison Pharmacy & Wellness

  $48.99
• 

  L-THEANINE 200 capsules

  NutriKey4.8(27)

  $21.50
• 

  L Theanine 200 Mg Green Tea Extract

  Viktilabs4.9(31)

  $22.60
• 

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

  Swanson Health Products4.7(7600)

  $24.09
• 

  L-Theanine 200 mg 90 capsules

  Walmart - Pattern

  $54.00
• 

  Advance Physician Formulas L-theanine 200 Mg 60 Vegetable Capsules

  iHerb4.7(127)

  $9.38
• 

  Nootropics Depot L-Theanine Capsules

  Nootropics Depot4.5(13)

  $24.99

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 Depot Clear Lake

  5.0 (426)

  Vitamin & supplements store

  237 E NASA Pkwy, Webster, TX 77598

  Directions(346) 287-4124

• The Vitamin Shoppe

  4.6 (146)

  Vitamin & supplements store

  11414 W Broadway St, Pearland, TX 77584

  Directions(713) 340-1736

• Nutrition World - Pearland

  4.9 (251)

  Vitamin & supplements store

  2540 E Broadway St, Pearland, TX 77581

  Directions(832) 784-8002

• GNC

  4.7 (68)

  Vitamin & supplements store

  11200 W Broadway St Suite 715, Pearland, TX 77584

  Directions(713) 340-1040

• Nutrition Depot

  5.0 (111)

  Vitamin & supplements store

  2005 Southwest Fwy, Houston, TX 77098

  Directions(346) 516-0878

• Nutrition World - Alvin

  4.8 (81)

  Vitamin & supplements store

  1701 Fairway Dr Ste 5, Alvin, TX 77511

  Directions(281) 824-4118

• Dan's Vitamin House

  4.8 (33)

  Vitamin & supplements store

  3861 Bellaire Blvd, Houston, TX 77025

  Directions(713) 660-9100

• GNC

  4.7 (39)

  Vitamin & supplements store

  5842 Hwy 6, Missouri City, TX 77459

  Directions(281) 403-0404

• 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 …

  2019353 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 …

  202145 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 …

  202423 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 …

  2016177 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.