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
• 

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

  Swanson Health Products4.7(7600)

  $24.09
• 

  L Theanine 200 Mg Green Tea Extract

  Viktilabs4.9(31)

  $22.60
• 

  L-Theanine 200 mg 90 capsules

  Walmart - Pattern

  $54.00
• 

  Nature Made Chewable L Theanine Tablets

  Nature Made4.4(59)

  $16.99
• 

  Advance Physician Formulas L-theanine 200 Mg 60 Vegetable Capsules

  iHerb4.7(127)

  $9.38

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.

• The Vitamin Shoppe

  4.6 (175)

  Vitamin & supplements store

  1234 U.S. Hwy 31 N, Greenwood, IN 46142

  Directions(317) 881-5358

• The Supplement Store

  4.8 (35)

  Vitamin & supplements store

  7747 Shelby St, Indianapolis, IN 46227

  Directions(317) 361-4563

• GNC

  4.3 (45)

  Vitamin & supplements store

  1251 U.S. 31 N, Greenwood, IN 46142

  Directions(317) 883-4634

• Country Nutrition

  4.9 (56)

  Vitamin & supplements store

  1480 Olive Branch Parke Ln, Greenwood, IN 46143

  Directions(317) 889-1305

• Elite Health & Wellness

  4.9 (20)

  Vitamin & supplements store

  1922 W Banta Rd, Indianapolis, IN 46217

  Directions(463) 206-2648

• Fresh Thyme Market

  4.5 (1453)

  Vitamin & supplements store

  8750 US 31 S, Indianapolis, IN 46227

  Directions(317) 881-6621

• Vitamins and Dietary Supplements | Daily Herbs & Nature

  Vitamin & supplements store

  8915 S Keystone Ave, Indianapolis, IN 46227

  Directions(317) 969-8672

• Health Spot (Avon)

  4.9 (99)

  Vitamin & supplements store

  10972 E US Hwy 36, Indianapolis, IN 46234

  Directions(317) 268-4942

• 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 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.