Sun Theanine 200 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.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

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

Not Present

• 

  Paradise Herbs Sun Theanine 200 mg 90 Vegetarian Capsules

  iHerb4.8(57)

  $49.99
• 

  Paradise Herbs Sun Theanine Capsules

  Nutrition Stop

  $18.99
• 

  Paradise Herbs Sun Theanine

  lazyacres.com

  $20.99
• 

  Swanson Suntheanine L-Theanine Double Strength 200 mg 60 Veggie Capsules

  Target4.7(491)

  $22.99
• 

  Sports Research L-Theanine Suntheanine Softgels

  Vitacost.com4.7(1100)

  $20.97
• 

  Nature's Plus PRO Suntheanine L-Theanine 200 mg 60 Capsules

  NaturesPlus4.8(75)

  $19.51
• 

  SunTheanine L-Theanne 150 Veggie Capsules

  Tomorrow's Nutrition

  $25.00
• 

  NaturesPlus PRO Suntheanine L-Theanine 200

  Lighthouse Health Foods

  $20.65

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

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• Get Active

  4.0 (50)

  Vitamin & supplements store

  Frederiksborggade 39, 1360 København

  Directions58 10 10 80

• Plante-Protein

  5.0 (3)

  Vitamin & supplements store

  Hundigevej 79, 2670 Greve

  Directions22 34 60 21

• USANUTRI

  Vitamin & supplements store

  Oddenvej 231, 4583 Sjællands Odde

  Directions

• NJORD Nutrition

  4.8 (4)

  Vitamin & supplements store

  Ravnsborggade 8B, 5, 2200 København

  Directions

• Panacea ApS

  Vitamin & supplements store

  Hyllingeparken 55, 4070 Kirke Hyllinge

  Directions48 27 71 10

• Spotter.

  5.0 (34)

  Vitamin & supplements store

  Nørrebrogade 26, 2200 København

  Directions53 51 50 53

• Vitamin Well

  3.4 (15)

  Vitamin & supplements store

  Njalsgade 72A, 6. tv, 2300 København

  Directions26 66 21 09

• Best Forever

  3.7 (3)

  Vitamin & supplements store

  Urmagerstien 4, 2300 København

  Directions73 70 75 09

• L-Theanine (Suntheanin): Effects of L-Theanine, an Amino Acid Derived From: Camellia sinensis:(Green Tea), on Stress Response Parameters

  SM Ross - Holistic nursing practice, 2014 - journals.lww.com

  … Living a healthy, balanced life in our high-stress modern society can be challenging. For … oral administration of 200 mg of L-Theanine (200 mg of Suntheanin standardized at 99% L-…

  201411 citations

• Green tea and theanine: health benefits

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

  … 3 months using 100mg of L-theanine and 200 mg of a decaffeinated catechin green tea extract … 60 and 160 mg of theanine (Figure 2) Theanine is sold as a dietary supplement and has …

  2012134 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

• Boundless: Upgrade your brain, optimize your body & defy aging

  B Greenfield - 2020 - books.google.com

  … Third, you can consume 100 to 200 mg of L-theanine with every cup of coffee. … One of my favorite such supplements is Histablock by Seeking Health. This one is optional if you are …

  202026 citations

• Dietary and Herbal Supplements for Sleep

  D KIEFER - Integrative Sleep Medicine, 2021 - books.google.com

  … 65 That said, in one clinical trial, 30 adults took 200 mg/d of L-theanine for 4 weeks in order to … of l-theanine administration on stress-related symptoms and cognitive functions in healthy …

  2021

• Analysis of Active Ingredients and Mechanisms of Action in Sleep Supplements: A Study Based on Market Conditions

  Z Zeng, H Zeng, J Lu, Y Huang, X Wen… - International Journal of …, 2024 - hillpublisher.com

  … mg of L-theanine daily. Additionally, a clinical trial involving 30 participants without major psychiatric illnesses reported that taking 200 mg of L-theanine … and health products to leverage …

  2024

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2024-09-25. DSLD Label ID: 317181. 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.