L-Theanine®
Non-Nutrient / Non-BotanicalBrand: NutraBio
Functions
Net Contents
5.3 oz
Serving Size
0.2 Gram(s)
Servings Per Container
750
Supplement Form
Powder
Bar Code (UPC/SKU)
6 49908 24510 8
Product Version
24510-009 B20206-001
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
Label states: Vegetarian, Non-GMO, Gluten-Free, Kosher.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Gluten
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.
Supplement Facts
Serving Size: 0.2 Gram(s) · 1–2 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Theanine | 200 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Use: As a dietary supplement, take 1 serving with your favorite beverage 1 to 2 times daily on an empty stomach, or as directed by your physician. We advise an accurate milligram weight scale be used.
Warnings & Precautions
Precautions re: Children
Warning: Not intended for use by persons under the age of 18. Keep out of the reach of children.
Precautions re: Pregnant or Nursing or Prescription Medications
If you are pregnant, breast feeding, have known medical conditions (including kidney or liver disease) or are taking prescription or OTC medication(s) consult with your health care practitioner before using this product. If you are taking anti-depressant drugs such as MAOI's or SSRI's, consult your healthcare professional before taking this product.
Precautions re: All Other
Discontinue use two weeks prior to surgery.
Storage
Storage
Store in a cool dry place.
Formulation
Formulation re: Vegetarian/Vegan
Vegetarian
Formulation re: Does NOT Contain
Non-GMO Gluten free BSE/TSE free
Formula re: Kosher
OU (Kosher)
Formula re: Contains
Pure grade amino acid
Formulation re: Does NOT Contain
No fillers No excipients
Formulation re: Other
HPLC lab tested for potency
Formulation re: Does NOT Contain
Free of harmful impurities
FDA Statements
FDA Statement of Identity
Dietary Supplement
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Other Label Statements
General Statements: All Other Content
Manufactured in our GMP & FDA inspected facility FDA Registration: 16906175560 Since 1996
Seals/Symbols
Made in USA with ingredients sourced worldwide Made in our GMP & FDA inspected facility OU (Kosher)
General Statements: All Other Content
Some settling of contents may have occurred during the shipping and handling.
General Statements: All Other Content
Serving scoop included.
General Statements: All Other Content
150g powder
Manufacturer & Distributor
Market Reference
L-Theanine 90 Capsules
Ultimate Sport Nutrition4.8(72)$23.95Deep Sleep Nutrabio
Natural Body4.8(11)$50.00GABA 90 Capsules
NutraBio4.6(20)$16.99Natural Factors Stress- Relax Suntheanine L-Theanine Chewable Tablets
PureFormulas.com4.8(1100)$18.87Enzymatic Therapy L-Theanine 180 Veg Capsules
Blue Sky Vitamin4.7(318)$21.14Nature's Plus PRO Suntheanine L-Theanine 200 mg 60 Capsules
Vitacost.com4.8(75)$19.51BodyBio Calm 60 Capsules
iHerb4.7(441)$54.99Quiet Mind Supplement
NutraBio4.9(25)$44.99
Where to Buy Locally
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.
fithealthy.eu
4.6 (54)Vitamin & supplements store
Kārļa Mīlenbaha iela 5, Latgales priekšpilsēta, Rīga, LV-1050, Latvia
Supplemented
4.7 (192)Vitamin & supplements store
Online Retail Ltd Box 1031A, Surbiton, Kingston upon Thames KT1 9AH, United Kingdom
R Supplements LTD
5.0 (89)Vitamin & supplements store
27 Colinglen Rd, Dunmurry, Belfast BT17 0LR, United Kingdom
Lama Sport
4.4 (44)Vitamin & supplements store
Bulevar kralja Aleksandra 147, Beograd, Serbia
Lama Sport
4.6 (30)Vitamin & supplements store
Makedonska 30, Beograd 11000, Serbia
Vitalikum MP NS2
5.0 (10)Vitamin & supplements store
Hadži Ruvimova 29, Novi Sad 21000, Serbia
Aminopörssi
4.5 (131)Vitamin & supplements store
Ruosilantie 14, 00390 Helsinki, Finland
Rènezû
5.0 (20)Vitamin & supplements store
Markerkant 14, 11, 1314 AP Almere, Netherlands
Research & Studies
Victory Caps–Nutrabio
V Caps–Nutrabio - workoutorigins.com
… L-Theanine (200mg) – L-Theanine is a unique amino acid found almost exclusively in the green tea plant (Camellia sinensis). L-Theanine … shown that taking L-Theanine results in the …
Victory Caps-Nutrabio
YS Bag - derofoods.nl
… L-Theanine (200mg) – L-Theanine is a unique amino acid found almost exclusively in the green tea plant (Camellia sinensis). L-Theanine … shown that taking L-Theanine results in the …
Society of Sports Nutrition (ISSN) Conference and Expo
M Dahlinghaus - Journal of the International Society of Sports Nutrition, 2017 - Springer
… healthy… supplement (Athelite Nutrition Inc.) contained 15.62 grams per serving, 25 kcals, that consisted of a proprietary blend including caffeine (as green coffee bean extract), L-theanine…
20171 citationsUnlocking the potential of l‐α‐glycerylphosphorylcholine in the food industry: From safety approvals to market prospects
J Cao, E Su - Comprehensive Reviews in Food Science and …, 2025 - Wiley Online Library
… The utilization of l-α-GPC in dietary supplements and health … omega-3, l-theanine) can be combined with l-α-GPC in these … brands like NOW Foods, NutraBio Labs, and Life Extension …
20255 citationsImproving Microbial Safety of Non-Heat Treated Energy Drink Using Novel Antimicrobial
XM Teng - 2023 - search.proquest.com
… the health benefits of energy drinks are a subject of debate … L-Theanine is an amino acid found in mushrooms and tea … risk and side effects of consuming L-Theanine. While there are …
2023
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: 212999. 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.
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