L-Theanine 150 mg

Suggested Use

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

• 

  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 Targeted Choice Stress Relief

  Instacart5.0(3)

  $40.79
• 

  Doctor's Best Suntheanine L-Theanine 150 mg 90 Veggie Caps

  Netpharmacy4.7(1500)

  $32.43

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.

• Suppz - Appleton

  4.8 (75)

  Vitamin & supplements store

  N162 Eisenhower Dr #150, Appleton, WI 54915

  Directions(920) 574-2269

• GNC

  3.4 (43)

  Vitamin & supplements store

  3169 Van Roy Rd, Appleton, WI 54915

  Directions(920) 830-9160

• Nutrition Discount Center - Appleton

  4.6 (26)

  Vitamin & supplements store

  297 W Northland Ave, Appleton, WI 54911

  Directions(920) 364-9283

• Natural Healthy Concepts

  4.4 (398)

  Vitamin & supplements store

  310 N Westhill Blvd, Appleton, WI 54914

  Directions(920) 968-2350

• DRJ Supplements

  Vitamin & supplements store

  2000 S Memorial Dr #201, Appleton, WI 54915

  Directions(920) 739-6971

• GNC

  4.4 (50)

  Vitamin & supplements store

  4301 W Wisconsin Ave, Appleton, WI 54913

  Directions(920) 731-8288

• Target

  4.2 (635)

  Department store

  1800 S Kensington Dr, Appleton, WI 54915

  Directions(920) 749-9770

• Clubnutrifit

  5.0 (1)

  Tea store

  2206 S Oneida St, Appleton, WI 54915

  Directions(920) 374-0830

• 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: 176537. 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.