L-Theanine 100 mg®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Serving Size: 1 Vegetarian Capsule(s) · 1–2 per day

Not Present

• 

  Healthy Origins L-Theanine 100 mg 180 Veggie Capsules

  Healthy Origins USA4.4(24)

  $19.99
• 

  Healthy Origins L-Theanine AlphaWave 200mg Veggie Capsules

  Serigrafia.eus4.8(5)

  $14.00
• 

  Healthy Origins L-Theanine 100mg 180 Vegan Vegetarian Soy Free Gluten Free Non-GMO

  GoSupps.com4.8(5)

  $84.99
• 

  NOW L-Theanine 100mg 90 Veg Capsules

  Muscle & Strength4.8(2800)

  $11.99
• 

  Enzymatic Therapy L-Theanine 180 Veg Capsules

  iHerb4.7(318)

  $13.82
• 

  Now Foods L-Theanine Chewables 100 mg

  Walmart - Highland Health Foods4.7(662)

  $15.99
• 

  L-Theanine

  Pure Prescriptions

  $30.99
• 

  NOW Foods L-Theanine 100 mg 90 Veg Capsules

  NOW4.8(25)

  $21.99

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.

• Holland & Barrett - Maddox Street

  4.3 (52)

  Vitamin & Supplements Shop

  6-8 Maddox St, London W1S 1NR

  Directions0330 058 2640

• Dietapplements Limited

  4.8 (6)

  Vitamin & Supplements Shop

  27 Old Gloucester St, London WC1N 3AX

  Directions01892 506990

• Nutri Tailor

  5.0 (13)

  Vitamin & Supplements Shop

  85 Great Portland St, London W1W 7LT

  Directions

• Planetis Natural Health & Nutrition

  5.0 (38)

  Vitamin & Supplements Shop

  32 Clifton Rd, London W9 1ST

  Directions020 7289 4551

• The Really Healthy Company

  4.9 (16)

  Vitamin & Supplements Shop

  Unit 1, 2 Royal Oak Yard, London SE1 3GB

  Directions020 8480 1000

• Holland & Barrett - Pimlico

  4.6 (41)

  Vitamin & Supplements Shop

  10 Warwick Wy, Pimlico, London SW1V 1QT

  Directions0330 058 2640

• ITL Health

  5.0 (37)

  Vitamin & Supplements Shop

  50 Broadway, London SW1H 0BL

  Directions0118 321 7628

• Prodentim

  5.0 (1)

  Vitamin & Supplements Shop

  72 Regent St., London W1B 4EN

  Directions028 6745 7567

• Green tea and theanine: health benefits

  R Cooper - International journal of food sciences and nutrition, 2012 - Taylor & Francis

  … 100 mg of L-theanine and 200 mg of a decaffeinated catechin green tea extract providing polyphenols, catechins, EGCG and trace amounts of caffeine, approximating the ingestion of …

  2012134 citations

• L-theanine: A unique functional amino acid in tea (Camellia sinensis L.) with multiple health benefits and food applications

  MY Li, HY Liu, DT Wu, A Kenaan, F Geng, HB Li… - Frontiers in …, 2022 - frontiersin.org

  … Due to the unique characteristics and beneficial functions, L-theanine has potential … L-theanine content in teas, the main health benefits and related molecular mechanisms of L-theanine…

  2022171 citations

• L-theanine, unique amino acid of tea, and its metabolism, health effects, and safety

  D Türközü, N Şanlier - Critical reviews in food science and nutrition, 2017 - Taylor & Francis

  … Similarly, instead of 50 mg, 200 mg L-theanine caused increase in the … L-theanine (200 mg), caffeine (100 mg) or placebo and at the end of the study it was found out that L-theanine …

  2017249 citations

• L-theanine: a prospective natural medicine

  S Chatterjee, A Chatterjee… - International journal of …, 2016 - researchgate.net

  … However, other avenues of research on ‘Ltheanine’ are its infancy. Hence there is … L-theanine. Therefore, the main aim of the study is to summarize the medicinal values of the Ltheanine …

  201618 citations

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

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

  … For example, the intake of a combination of 250 mg L-theanine and 150 mg caffeine was … A separate study found that consuming a combination of 100 mg L-theanine and 50 mg …

  2011320 citations

• L-theanine—a unique amino acid of green tea and its relaxation effect in humans

  LR Juneja, DC Chu, T Okubo, Y Nagato… - Trends in Food Science & …, 1999 - Elsevier

  … administration of theanine (50–200 mg), signifying relaxation without causing drowsiness. … of L-theanine, we are now able to supply Suntheanine™ (trade name of L-theanine) which …

  1999725 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-06-16. DSLD Label ID: 268858. 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.