L-Theanine Solution

Suggested Use

Shake well before using. Suggested use: as a dietary supplement; take one third dropper (0.5ml) twice daily.

• 

  MaryRuth's L-Theanine Liquid Drops

  Whole Foods Market4.8(223)

  $24.49
• 

  Nature's Craft L-Theanine Organic Liquid Drops

  Walmart - Natures Craft4.7(134)

  $15.99
• 

  NuMedica L-Theanine Liquid

  SupplementRelief.com4.7(15)

  $37.90
• 

  L-Theanine Liquid

  Optimal Nutraceuticals

  $46.98
• 

  QuickSilver Scientific Liposomal GABA with L-Theanine

  Quicksilver Scientific4.4(248)

  $37.00
• 

  High-absorption L-theanine Liquid Drops 2 Oz – Non-gmo, Gluten-free,

  eBay - ondcommerce01

  $24.76
• 

  Svasthya Pure L-Theanine Drops

  Svasthya Body & Mind

  $17.95
• 

  Nutri-Dyn Liposomal L-Theanine 2 fl oz

  Blue Sky Vitamin5.0(3)

  $43.00

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.

• Pine Valley Vitamins

  Health food store

  4000 Lakeview Dr, Sanger, TX 76266

  Directions(940) 465-9983

• The Vitamin Shoppe

  4.5 (103)

  Vitamin & supplements store

  1507 S Loop 288, Denton, TX 76205

  Directions(940) 383-2111

• Precision Sports Nutrition

  4.7 (87)

  Vitamin & supplements store

  2104 Sadau Ct #106, Denton, TX 76210

  Directions(972) 400-1121

• GNC

  3.6 (38)

  Vitamin & supplements store

  2520 W University Dr SUITE 1166 SPACE D108, Denton, TX 76201

  Directions(940) 323-8333

• Nature's Remedy

  5.0 (42)

  Vitamin & supplements store

  1213 Primrose Ln, Denton, TX 76201

  Directions(940) 484-4391

• The Vitamin Shoppe

  4.6 (65)

  Vitamin & supplements store

  6230 Long Prairie Rd Ste 100, Flower Mound, TX 75028

  Directions(972) 355-4953

• GNC

  4.5 (44)

  Vitamin & supplements store

  6101 Long Prairie Rd Ste 160, Flower Mound, TX 75028

  Directions(972) 355-8474

• The Vitamin Shoppe

  4.6 (164)

  Vitamin & supplements store

  2397 B S Stemmons Fwy, Lewisville, TX 75067

  Directions(972) 459-9513

• Multisystem pathology in chronic variable stress: gut–liver–brain axis disruption and the therapeutic promise of magnesium-L-theanine

  K Sahin, G Erek - Therapeutic Advances in Endocrinology …, 2026 - journals.sagepub.com

  2026

• Human disposition of L-theanine in tea or aqueous solution

  PC Van der Pijl, L Chen, TPJ Mulder - Journal of Functional Foods, 2010 - Elsevier

  … Plasma was analysed for L-theanine content after which data … supporting further study of a health benefit of L-theanine. … vein in 6 mL sodium ethylenediaminetetraacetic acid tubes at t = 0…

  201087 citations

• L-theanine as a sustainable feed additive: Evaluating impacts on animal health and production efficiency

  S Wu, X Cui - Microbial Pathogenesis, 2026 - Elsevier

  … and sodium-coupled transport channels are the primary mechanisms responsible for the majority of L-theanine … research avenues, and delineates practical policy and industry solutions. …

  2026

• How does the tea L-theanine buffer stress and anxiety

  L Wang, M Brennan, S Li, H Zhao, KW Lange… - Food Science and …, 2022 - Elsevier

  … of L-theanine, … L-theanine in the food matrix has been further discussed in this review in relation to the physiological changes in the gastrointestinal tract and bindings of L-theanine with …

  2022102 citations

• Keyora Research Notes Series (L-Theanine Episode 10): Mapping L-Theanine to Your Neurobiology-Safety, Dosage, and Functional Timing Protocols

  J Xu - Keyora Nutritional Neurology, 2025 - academia.edu

  … solution of L-theanine mixed with water, or a water-based … measures of anxiety in healthy human subjects using the … coadministrated with pentobarbital or sodium barbital. The mixture …

  2025

• Preparation, characterization and evaluation of L-theanine-zinc chelate: increasing stability, antioxidant, and antidiabetic activity

  X Pan, H Wang, K Guo, T Zhang, X Li… - Journal of Food …, 2025 - Springer

  … (LT), caffeine, and vitamins, which contribute to its health … persulphate solutions, and incubating the mixed solutions at … Numerous studies had found that excess sodium or calcium …

  20254 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2023-07-18. DSLD Label ID: 295293. 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.