L-Theanine 150 mg

Suggested Use

Directions: As a dietary supplement; take one capsule daily or as directed by a healthcare practitioner.

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  Bluebonnet Nutrition Bluebonnet L-Theanine 200 mg

  Natures Food Markets4.0(4)

  $10.89
• 

  Bluebonnet Nutrition, L-Theanine

  Mercato.com

  $12.99
• 

  Bluebonnet Nutrition Bluebonnet Targeted Choice Stress Relief

  Walmart - Bluebonnet Nutrition5.0(3)

  $35.16
• 

  BlueBonnet Nutrition L-Theanine 200 mg, 30 Count (Pack of 2)

  Optimist4.0(4)

  $10.21Lowest
• 

  Bluebonnet Nutrition Bluebonnet Targeted Choice Sleep Support

  Walmart - Bluebonnet Nutrition3.8(6)

  $14.36
• 

  Bluebonnet Brain Power Targeted Choice

  Akron Nutrition Center

  $38.49
• 

  Bluebonnet Nutrition Simply Calm Powder For Calm* Muscle Cramps* Stress Relief* Soy-Free Gluten-Free Non-GMO Kosher Certified Dairy-Free Vegan 16 oz

  GoSupps.com

  $54.99
• 

  Bluebonnet Targeted Choice Stress Relief

  Instacart5.0(3)

  $40.79

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.

• GNC

  4.5 (32)

  Vitamin & supplements store

  564 Centerville Rd, Lancaster, PA 17601

  Directions(717) 898-4707

• AdvancedSupps.com

  5.0 (90)

  Vitamin & supplements store

  3872 Union Deposit Rd, Harrisburg, PA 17109

  Directions(717) 553-0500 ext. 2

• The Vitamin Shoppe

  4.6 (126)

  Vitamin & supplements store

  6455 Carlisle Pike, Mechanicsburg, PA 17050

  Directions(717) 791-0120

• Solutions 4 Health

  4.9 (75)

  Vitamin & supplements store

  165B Swedesford Rd, Wayne, PA 19087

  Directions(610) 293-2324

• The Expert Nutrition Center

  4.6 (33)

  Vitamin & supplements store

  10210 S Dolfield Rd, Owings Mills, MD 21117

  Directions(888) 794-4325

• The Vitamin Shoppe

  4.6 (120)

  Vitamin & supplements store

  2383 Cottman Ave Suite 38B, Philadelphia, PA 19149

  Directions(215) 331-2023

• GNC

  4.0 (48)

  Vitamin & supplements store

  3566 Capital City Mall Dr #248, Camp Hill, PA 17011

  Directions(717) 761-9923

• The Vitamin Shoppe

  4.4 (104)

  Vitamin & supplements store

  2460 Market St NE #701, Washington, DC 20018

  Directions(202) 269-0809

• Benefits of l-theanine supplementation and its possible role in clinical use–review

  K Womperski, J Woźniak, J Szymonik, S Szopa… - Quality in Sport, 2024 - apcz.umk.pl

  … One of them – l-theanine - seems to have a multidirectional influence on human health. … goal of this paper is to review the advantages and potential risks of l-theanine supplementation. …

  20242 citations

• The effects of L-theanine consumption on sleep outcomes: A systematic review and meta-analysis

  A Bulman, NM D'Cunha, W Marx, M Turner… - Sleep medicine …, 2025 - Elsevier

  … in the management of sleep disturbances; however, the lack of studies on “pure” L-theanine … of L-theanine supplementation for improving and maintaining sleep quality in healthy and …

  202529 citations

• … of Tea (Camellia sinensis) or its Bioactive Compounds l-Theanine or l-Theanine plus Caffeine on Cognition, Sleep, and Mood in Healthy Participants: A Systematic …

  ER Payne, M Aceves-Martins, J Dubost… - Nutrition …, 2025 - academic.oup.com

  … as caffeine, l-theanine (theanine herein), and tea polyphenols, 1 , 2 have the potential to improve one’s health and well-being. Drinking black tea and supplementation with green tea …

  202512 citations

• Effect of a combination of magnesium, B vitamins, Rhodiola, and green tea (L-theanine) on chronically stressed healthy individuals—A randomized, placebo …

  L Noah, V Morel, C Bertin, E Pouteau, N Macian… - Nutrients, 2022 - mdpi.com

  … trials evaluating the effect of dietary supplements in healthy individuals who report stress. … the dietary supplement Mg-Teadiola versus a placebo in stressed, healthy individuals scoring …

  202241 citations

• Getting a Head Start

  K Chiarello-Ebner - wholefoodsmagazine.com

  … at Bluebonnet Nutrition Corporation, Sugar Land, TX, explains that omega-3 fatty acids also support healthy inflammation levels, which can support brain health. … , SAMe, L-theanine and …

• Blood Pressure: That Magic Number

  T Person - wholefoodsmagazine.com

  … and national educator for Bluebonnet Nutrition Corporation, Sugar … and cardiovascular health in general, according to Schönlau. … blood pressure saw no change when taking L-theanine. …

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2018-04-25. DSLD Label ID: 176534. 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.