L-Theanine

Suggested Use

Suggested Use: As a dietary supplement; take 1 capsule daily; or as directed by your health care practitioner.

• 

  DaVinci Labs L-Theanine 200 mg 60 Capsules

  DaVinci Labs4.8(55)

  $28.60
• 

  DaVinci Laboratories Liposomal L-Theanine

  Target4.7(61)

  $46.46
• 

  DaVinci Laboratories Neuro Benefits 90 Capsules

  DaVinci Labs4.3(3)

  $64.70
• 

  Little DaVinci Calm Citrate Powder

  DaVinci Labs4.2(20)

  $46.46
• 

  DaVinci Labs Sleep Benefits 60 Capsules

  DaVinci Labs4.6(17)

  $58.50
• 

  DaVinci Labs Sleep Complete Dietary Supplement

  DaVinci Labs4.2(6)

  $58.50
• 

  DaVinci Laboratories ThermoSet 90 Capsules

  DaVinci Labs5.0(2)

  $55.78
• 

  DaVinci Laboratories Stress B Capsules

  DaVinci Labs4.9(9)

  $42.92

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

  4.7 (63)

  Vitamin & supplements store

  8533 W Grand River Ave, Brighton, MI 48116

  Directions(810) 229-2238

• The Vitamin Company

  4.7 (84)

  Vitamin & supplements store

  421 W Main St, Brighton, MI 48116

  Directions(810) 227-5311

• Nutrition Works

  4.6 (36)

  Vitamin & supplements store

  2815 W Silver Lake Rd, Fenton, MI 48430

  Directions(810) 629-5559

• Apex Nutrition

  4.5 (26)

  Vitamin & supplements store

  19005 Silver Pkwy, Fenton, MI 48430

  Directions(810) 215-0448

• Nutrabalance

  5.0 (1)

  Vitamin & supplements store

  1123 E West Maple Rd Ste 7, Walled Lake, MI 48390

  Directions(248) 508-5668

• Size Up Supplements Lake Orion

  4.9 (61)

  Vitamin & supplements store

  3755 S Baldwin Rd, Lake Orion, MI 48359

  Directions(248) 481-6622

• Sigma Supplements

  Vitamin & supplements store

  9062 Northpointe Ridge, Brighton, MI 48114

  Directions(248) 990-6211

• The Vitamin Shoppe

  4.6 (103)

  Vitamin & supplements store

  30730 Orchard Lake Rd, Farmington Hills, MI 48334

  Directions(248) 538-8301

• Anti-stress, behavioural and magnetoencephalography effects of an L-theanine-based nutrient drink: a randomised, double-blind, placebo-controlled …

  DJ White, S De Klerk, W Woods, S Gondalia, C Noonan… - Nutrients, 2016 - mdpi.com

  … Based on these potential benefits to mood and general health, l-theanine is emerging as an ingredient of interest for functional foods and drinks, either synthesised or extracted from …

  2016177 citations

• … and L-theanine beverage consumption does not alter anxiety, fatigue, cognitive function, or natural killer cell function: A randomized, controlled trial in healthy …

  A Ramani, R Townsend, E Rodriguez… - Brain Behavior and …, 2024 - Elsevier

  … containing CBD, along with L-theanine, would improve psychological health, cognitive function, … and function in young, healthy adults. A total of 102 healthy participants were randomly …

  20246 citations

• Impact of L-theanine and L-tyrosine on markers of stress and cognitive performance in response to a virtual reality based active shooter training drill

  MJ McAllister, MH Martaindale, CC Dillard… - Stress, 2024 - Taylor & Francis

  … Ingestion of L-theanine and L-tyrosine has been shown to reduce salivary stress biomarkers … However, there have been no studies to concurrently examine the impact of both L-theanine …

  20247 citations

• Innovative therapies for mood disorders: A case report

  K Ross, M VanNortwick, D Dragone - Explore, 2021 - Elsevier

  … Health Organization has identified mental wellness issues as the leading contributor to global health … L-theanine is different than other amino acids as its primary dietary source comes …

  20215 citations

• Measuring the effects of caffeine and L-theanine on cognitive performance: a protocol for self-directed, mobile N-of-1 studies

  E Golden, M Johnson, M Jones, R Viglizzo… - Frontiers in Computer …, 2020 - frontiersin.org

  … These exclusion criteria are based on the potential negative health effects of caffeine 7 . Before joining the study, we advise individuals to consult a medical professional if they are …

  202010 citations

• Safety and Efficacy of AlphaWave®l-Theanine Supplementation for 28 Days in Healthy Adults with Moderate Stress: A Randomized, Double-Blind, Placebo …

  M Moulin, DC Crowley, L Xiong, N Guthrie… - Neurology and …, 2024 - Springer

  … AlphaWave ® l-Theanine has been previously shown to … l-Theanine on stress among a moderately stressed, healthy … the safety and benefits of the longer-term use of l-theanine for self-…

  202424 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2013-06-25. DSLD Label ID: 22877. 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.