L-Theanine

Suggested Use

Suggested use: As a dietary supplement; take 500 mg (about 1/5 tsp) once or twice daily; or as directed by a physician.

• 

  BulkSupplements L-Theanine Powder

  BulkSupplements.com4.4(60)

  $20.97
• 

  BulkSupplements L-Theanine Capsules

  BulkSupplements.com4.5(51)

  $18.97
• 

  Theanine Green Tea Extract

  The Bulk Cart

  $19.00
• 

  Bulk L-Theanine 500 Grams - Highest Quality Ingredients - Bulk Supplements - Wholesale Ingredients - Bulk Ingredients - BoxNutra - Bulk Supplements -

  BoxNutra4.8(123)

  $38.40
• 

  L-Theanine

  PureBulk4.7(69)

  $11.95
• 

  Vitamatic L-Theanine 400mg 240 Tablets

  Walmart - Vitamatic4.7(88)

  $16.99
• 

  L-theanine Powder

  Dolce Superfoods5.0(1)

  $28.85
• 

  FitPowders L-Theanine Powder Supplement

  Roast2Order Coffee & Tea

  $8.95Lowest

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

  4.4 (154)

  Vitamin & supplements store

  11741 S Cleveland Ave #10, Fort Myers, FL 33907

  Directions(239) 274-6182

• Total Nutrition

  4.7 (22)

  Vitamin & supplements store

  9918 Gulf Coast Main St #145, Fort Myers, FL 33913

  Directions(239) 267-0877

• GNC

  3.6 (35)

  Vitamin & supplements store

  10012 Gulf Center Dr Unit #2, Fort Myers, FL 33913

  Directions(239) 437-3820

• Infinity Life Labs

  Vitamin & supplements store

  13981 McGregor Blvd, Fort Myers, FL 33919

  Directions(844) 384-6060

• Unified Supplements

  Vitamin & supplements store

  16520 San Carlos Blvd, Fort Myers, FL 33908

  Directions(239) 292-9100

• The Vitamin Shoppe

  4.5 (134)

  Vitamin & supplements store

  9390 6 Mile Cypress Pkwy #5, Fort Myers, FL 33966

  Directions(239) 274-1299

• Total Nutrition

  4.9 (108)

  Vitamin & supplements store

  2311 Santa Barbara Blvd S #104, Cape Coral, FL 33991

  Directions(239) 673-7150

• GNC

  4.2 (46)

  Vitamin & supplements store

  3398 Forum Blvd Unit 114, Fort Myers, FL 33905

  Directions(239) 936-2249

• Unlocking the potential of l‐α‐glycerylphosphorylcholine in the food industry: From safety approvals to market prospects

  J Cao, E Su - Comprehensive Reviews in Food Science and …, 2025 - Wiley Online Library

  … Neuro Boost Dropper Life Extension Oral liquid Huperzine A, l-theanine … biloba, Panax ginseng) and active compounds (omega-3, l-theanine) can be combined with l-α-GPC in these …

  20254 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-10-22. DSLD Label ID: 254811. 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.