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.

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  BulkSupplements L-Theanine Powder

  BulkSupplements.com4.4(60)

  $20.97
• 

  BulkSupplements L-Theanine Capsules

  BulkSupplements.com4.5(51)

  $18.97
• 

  L-Theanine

  PureBulk4.7(69)

  $11.95Lowest
• 

  Theanine Green Tea Extract

  The Bulk Cart

  $19.00
• 

  L-theanine Powder

  Dolce Superfoods5.0(1)

  $28.85
• 

  Nootropics Depot L-Theanine Capsules

  Nootropics Depot4.5(15)

  $44.99
• 

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

  BoxNutra4.8(123)

  $38.40
• 

  Theanine L-Theanine Amino Acid Powder

  Prescribed For Life

  $419.99

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.

• A To Zinc Nutritional Shop

  4.7 (91)

  Vitamin & supplements store

  12130 US-19, Hudson, FL 34667

  Directions(727) 861-2818

• GNC

  4.2 (76)

  Vitamin & supplements store

  2930 Little Rd, New Port Richey, FL 34655

  Directions(727) 376-5656

• A to Zinc, New Port Richey

  4.5 (24)

  Health food store

  9131 Little Rd, New Port Richey, FL 34654

  Directions(727) 862-6878

• The Vitamin Shoppe

  4.5 (119)

  Vitamin & supplements store

  12970 Cortez Blvd Spc 102, Brooksville, FL 34613

  Directions(352) 597-9091

• Super Vitamin Outlet Inc

  4.6 (26)

  Vitamin & supplements store

  32752 US Hwy 19 N, Palm Harbor, FL 34684

  Directions(727) 786-5994

• Nutrition Smart

  4.5 (681)

  Vitamin & supplements store

  1821 Bruce B Downs Blvd, Wesley Chapel, FL 33544

  Directions(813) 341-4444

• GNC

  4.0 (44)

  Vitamin & supplements store

  1421 Commercial Way, Spring Hill, FL 34606

  Directions(352) 683-0222

• The Vitamin Shoppe

  4.6 (240)

  Vitamin & supplements store

  2201 E Fowler Ave A, Tampa, FL 33612

  Directions(813) 615-9292

• 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 2021-09-24. DSLD Label ID: 254809. 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.