L-Theanine Complex

Suggested Use

Suggested Use: As a dietary supplement for adults; take one (1) vegetable capsule twice daily; preferably at mealtime; or as directed by a healthcare practitioner.

• 

  Solgar L-Theanine 150mg Vegetable Capsules

  iHerb4.7(199)

  $25.49
• 

  Solgar Triple Action Sleep 90 Tri-Layer Tablets

  Sears - FastMedia4.6(200)

  $37.00
• 

  Solgar Ultimate Calm Daily Support Capsules

  Bikeinn.com4.6(37)

  $23.99
• 

  Solgar Sleep & Stress Support Herbal Sleep Blends

  Locatel Health & Wellness Online Store4.6(214)

  $19.69
• 

  Solgar Ultimate Calm Tablets

  PerfumesClub US4.5(70)

  $49.72
• 

  Solgar Sweetest Dreams Vegetable Capsules

  Instacart4.5(28)

  $11.99Lowest
• 

  Solgar Triple Action Sleep Tablets

  Holly Hill Health Foods4.6(200)

  $20.95
• 

  L-Theanine Calm & Focus – Amino Acid Stress Support

  The Wellness Way - Largo

  $46.00

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

  4.6 (115)

  Vitamin & supplements store

  3831 Edwards Rd Ste 500, Cincinnati, OH 45209

  Directions(513) 351-1376

• GNC

  4.8 (85)

  Vitamin & supplements store

  9850 Colerain Ave, Cincinnati, OH 45251

  Directions(513) 741-9200

• Yolked Up Supplements

  5.0 (58)

  Vitamin & supplements store

  7041 Yankee Rd, Liberty Township, OH 45044

  Directions(513) 847-1504

• INFINIT Nutrition

  4.9 (53)

  Sports nutrition store

  11240 Cornell Park Dr #110, Cincinnati, OH 45242

  Directions(513) 791-3500

• Complete Nutrition

  4.6 (5)

  Vitamin & supplements store

  10895 Reading Rd, Cincinnati, OH 45241

  Directions(513) 733-1414

• Nuclear Nutrition

  5.0 (10)

  Health consultant

  8016 Plainfield Rd, Cincinnati, OH 45236

  Directions(513) 310-4856

• Spring Street Vitamins

  4.8 (31)

  Vitamin & supplements store

  3316 Princeton Rd, Fairfield, OH 45011

  Directions(513) 737-4053

• The Vitamin Shoppe

  4.4 (156)

  Vitamin & supplements store

  5 E Kemper Rd, Cincinnati, OH 45246

  Directions(513) 671-0021

• Examining the effect of L-theanine on sleep: a systematic review of dietary supplementation trials

  J Cotter, CE Caddick, JL Harper… - Nutritional …, 2026 - Taylor & Francis

  … Though many of the included studies were conducted using healthy adults in Japan, beneficial effects of L-theanine on sleep related-measures were also reported in randomised, …

  20269 citations

• l-theanine: From tea leaf to trending supplement–does the science match the hype for brain health and relaxation?

  R Dashwood, F Visioli - Nutrition Research, 2025 - Elsevier

  … of this nutraceutical supplement marketed for brain health and … in the use of l-theanine supplements at pharmacologic doses … this trending supplement for brain health and relaxation. …

  202525 citations

• L-theanine: A potential multifaceted natural bioactive amide as health supplement

  R Adhikary, V Mandal - Asian Pacific Journal of Tropical Biomedicine, 2017 - Elsevier

  … in modern therapeutics, which are used to prepare antibiotics, growth supplements or some other therapeutics. l-theanine is such a bioactive amide amino acid presented in different …

  201778 citations

• The effects of L-theanine supplementation on the outcomes of patients with mental disorders: a systematic review

  R Moshfeghinia, E Sanaei, S Mostafavi, K Assadian… - BMC psychiatry, 2024 - Springer

  … focusing on randomized controlled trials that investigated the effects of LT supplementation on the outcomes of patients with mental health disorders. The Cochrane Risk of Bias Tool for …

  202423 citations

• The Emerging Role of Citrulline and Theanine in Health and Disease: A Comprehensive Review

  X Lv, C Chen, Y Liang, Y Song, J Liu, W Chen, H Li - Nutrients, 2025 - mdpi.com

  … Among non-proteinogenic amino acids, L-citrulline and L-theanine were selected for this review due to their unique metabolic pathways, dietary availability, and growing research …

  20254 citations

• Natural Energy Supplements: Top 7 for Afternoon Slump

  A Carter - truebioiq.com

  … Solgar B-Complex “100” provides high-potency B vitamins to support energy production, nervous system health… Known for its calming properties, L-Theanine promotes focused …

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-02-26. DSLD Label ID: 214975. 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.