Theanine

Suggested Use

Directions: Take 2 tablets; one time daily or every 8 hours as needed.

• 

  Natrol Melatonin Free Sleep & Restore 60 Capsules

  Target4.3(724)

  $22.99
• 

  Natrol Sleep Calm

  Walmart4.6(1000)

  $9.00
• 

  Natrol Kids Sleep + Calm Strawberry 60 Gummies

  Walgreens.com4.8(687)

  $13.99
• 

  Natrol Cherry Sleep & Restore 5mg Melatonin 60 Count

  CVS Pharmacy4.6(280)

  $28.49
• 

  Nature Made Chewable L Theanine Tablets

  Target4.4(59)

  $13.99
• 

  Natrol Ultra Sleep Melatonin 50ct

  Walmart4.5(159)

  $9.01
• 

  Natrol Relaxia Ultimate Calm 30 Capsules

  eBay - buycheapernow4.6(21)

  $15.99
• 

  Liquid Melatonin Natrol

  Grove Collaborative4.5(539)

  $9.99

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.

• Pump City Sups

  5.0 (225)

  Vitamin & supplements store

  3085 Carpenter Rd S Ste C, Tifton, GA 31793

  Directions(229) 396-5385

• Dr. Ed's Nutrition Shoppe

  4.9 (49)

  Vitamin & supplements store

  1531 Baytree Rd, Valdosta, GA 31602

  Directions(229) 232-4701

• GNC

  3.8 (8)

  Vitamin & supplements store

  458 Virginia Ave N, Tifton, GA 31794

  Directions(229) 382-6866

• 5 Star Nutrition Valdosta (Locally Owned)

  5.0 (307)

  Vitamin & supplements store

  1761 Norman Dr #1C, Valdosta, GA 31601

  Directions(229) 539-6923

• Fit by Nature Nutrition

  5.0 (10)

  Health spa

  505 S Church St #4e, Hahira, GA 31632

  Directions(229) 400-7444

• Natural Health

  3.9 (40)

  Vitamin & supplements store

  1900 Gornto Rd Ste C, Valdosta, GA 31602

  Directions(229) 245-0100

• Herbal Connection by Iron Faith Nutrition

  4.9 (19)

  Vitamin & supplements store

  1252 Lakes Blvd, Lake Park, GA 31636

  Directions(229) 559-8834

• Medicine Man's Corner

  4.6 (28)

  Vitamin & supplements store

  313 Smith Ave, Thomasville, GA 31792

  Directions(229) 226-7373

• l-theanine: From tea leaf to trending supplement–does the science match the hype for brain health and relaxation?

  R Dashwood, F Visioli - Nutrition Research, 2025 - Elsevier

  … of this nutraceutical supplement marketed for brain health and … the use of l-theanine supplements at pharmacologic doses by … this trending supplement for brain health and relaxation. …

  202525 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

  … l-theanine (γ-glutamylethylamide) is an amino acid found primarily in the green tea plant. This study explored the effects of an l-theanine-based nutrient drink on mood responses to a …

  2016177 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

  … AlphaWave ® l-Theanine has been previously shown to … l-Theanine on stress among a moderately stressed, healthy … the safety and benefits of the longer-term use of l-theanine for self-…

  202424 citations

• Brain and Mood Support Supplements

  T Person - wholefoodsmagazine.com

  … A study on the effect of this L-theanine ingredient on sleep … L-theanine is often paired in supplements with other nutrients like B vitamins and 5-HTP to help enhance mood. “L-theanine …

• Supplements: What Do Kids Really Need?

  K Chiarello-Ebner - wholefoodsmagazine.com

  … manager for Natrol, Chatsworth, CA, says other research connecting dietary supplementation and children’s behavior and attention has focused on phosphatidylserine and l-theanine, …

• Herbs or natural products that decrease cancer growth: Part one of a four-part series

  MJ Montbriand - Number 4/July 2004, 2004 - onf.ons.org

  … with theanine because they believe it enhances the effect of chemotherapy. Interest in using theanine as an adjuvant with cancer treatment was initiated because theanine increases …

  200426 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2011-10-26. DSLD Label ID: 1283. 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.