Theanine 100 mg

Suggested Use

DIRECTIONS: Take 1-2 capsules a day (children over 8 years; 1 capsule a day); between meals; or as your health professional advises.

• 

  Higher Nature Theanine Capsules

  W-Wellness4.5(17)

  $28.00
• 

  L-Theanine 100 mg Vegetarian Capsules

  Misty Pines Pet Company5.0(2)

  $28.99
• 

  Theanine 100mg Stress and Mood Lozenges

  Down to Earth Organic & Natural

  $20.59
• 

  up&up l-Theanine 100mg Capsules

  Target3.7(12)Free delivery on $100+

  $6.59
• 

  L-Theanine Tablets 100 mg

  Christopher's Herb Shop

  $13.99
• 

  Jarrow Formulas Theanine 100 mg 60 Capsules

  Life Extension4.8(989)Free delivery on $50+

  $13.49
• 

  L-Theanine

  Enar Pharma

  $9.09
• 

  L-Theanine 100mg

  Keystone Compounding Pharmacy

  $30.82

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.

• Rock's Discount Vitamins - Baytown

  5.0 (146)

  Vitamin & supplements store

  6325 Garth Rd, Baytown, TX 77521

  Directions(281) 837-3158

• The Vitamin Shoppe

  4.4 (140)

  Vitamin & supplements store

  4567 Garth Rd Ste 100, Baytown, TX 77521

  Directions(281) 420-7497

• GNC

  3.7 (22)

  Vitamin & supplements store

  6331 Garth Rd Ste 110, Baytown, TX 77521

  Directions(346) 561-8031

• Nutrition Depot Clear Lake

  5.0 (426)

  Vitamin & supplements store

  237 E NASA Pkwy, Webster, TX 77598

  Directions(346) 287-4124

• Arissa Nutrition

  3.9 (8)

  Health food store

  602 Park St Suite 1, Baytown, TX 77520

  Directions(832) 597-4212

• GNC

  5.0 (11)

  Vitamin & supplements store

  8804 TX-146 #120, Baytown, TX 77523

  Directions(281) 964-7709

• The Vitamin Shoppe

  4.3 (181)

  Vitamin & supplements store

  5683 Fairmont Pkwy, Pasadena, TX 77505

  Directions(281) 991-0264

• GNC

  4.3 (101)

  Vitamin & supplements store

  5805 East Sam Houston Pkwy N Ste G, Houston, TX 77049

  Directions(713) 806-7341

• L‐Theanine: properties, synthesis and isolation from tea

  QV Vuong, MC Bowyer… - … of the Science of Food and …, 2011 - Wiley Online Library

  … properties and health benefits of theanine are summarised … use of synthetic theanine as a food supplement or ingredient … obtain a high yield of theanine, teas possessing a high natural …

  2011318 citations

• L-theanine as a functional food additive: Its role in disease prevention and health promotion

  J Williams, J Kellett, P Roach, A McKune… - …, 2016 - pureportal.coventry.ac.uk

  … theanine supplementation restores high-intensity resistance exercise-induced attenuation of natural … Effects of oral supplementation with cystine and theanine on the immune function of …

  201677 citations

• Psychotropic effects of L-theanine and its clinical properties: From the management of anxiety and stress to a potential use in schizophrenia

  FL Sakamoto, RMP Ribeiro, AA Bueno… - Pharmacological …, 2019 - Elsevier

  … of L -theanine for the negative impact of anxiety and psychological stress on health. In this … discuss the effects of L -theanine administration on anxiety disorders and psychological …

  201966 citations

• The effects of green tea amino acid L-theanine consumption on the ability to manage stress and anxiety levels: a systematic review

  JL Williams, JM Everett, NM D'Cunha, D Sergi… - Plant foods for human …, 2020 - Springer

  … The green tea amino acid, L-theanine (L-THE) is associated with several health … as a supplement was compared to a control. Our findings suggest that supplementation of 200–400 mg/…

  2020225 citations

• A blackcurrant powder supplement enriched with L-theanine and pine bark extract improves sleep quality in healthy older adults: Results from placebo …

  D Lomiwes, AP Kanon, EG Walker, N Ngametua… - Journal of Functional …, 2025 - Elsevier

  … mg anthocyanins/kg bodyweight of whole freeze-dried BC, 200 mg L-theanine and 100 mg pine bark extract), daily for 4 weeks on sleep quality and psychological wellbeing of healthy …

  20257 citations

• Improvement of both human and animal memory by synergy between fructooligosaccharide and L‐theanine function establishing a safe and effective food supplement

  Y Li, Y Jiang, Z Zhang, VIP Loake, X Bao… - Food science & …, 2024 - Wiley Online Library

  … of healthy adults after 1 month of consumption. Our results suggest that a combination of FOS and L-theanine … We show that this plant natural product regimen also improves human …

  202412 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2014-12-29. DSLD Label ID: 40863. 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.