L-Theanine 200 mg
by Woodstock Vitamins · capsule · 120 vegetarian capsules
- On the market (NIH)
- UPC 6 69439 79116 5
- DSLD label 310263
- Serving 1 to 2 capsules; amounts per 2 capsules
- 60 servings
L-Theanine 200 mg by Woodstock Vitamins lists one ingredient: 400 mg of suntheanine per serving of 2 capsules. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2024.
What is in L-Theanine 200 mg?
Each row as the label prints it, per serving of 2 capsules. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Suntheanineas L-Theanine | 400 mg | Higher than 97% of 1,602 products listing theanine (median 100 mg). Per day at the most servings: 800 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 310263 (entered November 22, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:
- Its 400 mg of suntheanine (filed by NIH under theanine) is higher than 97% of the 1,602 theanine products that print an amount; 18 list more.
The NIH database records 2 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
6 products list the very same ingredients; the nearest amounts come first.
- L-TheanineOL Olympian Labs · off the market same ingredients
- L-Theanine 400 mgOL Olympian Labs same ingredients
- L-Theanine 400 mgMental Refreshment same ingredients
- L-TheaninePure Encapsulations same ingredients
- L-TheanineXYMOGEN same ingredients
- Suntheanine 400 mgSuperSmart same ingredients
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Directions: take one to two capsules twice daily, or as directed by your healthcare practitioner.
- Warnings
- Consult your healthcare practitioner prior to use. Individuals taking medication should discuss potential interactions with their healthcare practitioner. Do not use if tamper seal is damaged.
- Storage: Keep closed in a cool, dry place out of reach of children.
- Professional use only.
- Allergens and what it does not contain
- Does not contain: Wheat, gluten, corn, yeast, soy, animal or dairy products, fish, shellfish, peanuts, tree nuts, egg, ingredients derived from genetically modified organisms (GMOs), artificial colors, artificial sweeteners, or artificial preservatives.
Source: label statements in DSLD label 310263.
What else is on the label?
Other ingredients: Hydroxypropyl Methylcellulose, Microcrystalline Cellulose, Stearic Acid, Magnesium Stearate, Silica, Medium Chain Triglyceride Oil.
How many labels does L-Theanine 200 mg have?
2 labels are on file under this name since April 11, 2022: other sizes, label designs and reformulations. The current one leads this page.
- Label 310263 (current) Entered November 22, 2024 · on the market · 120 vegetarian capsules · UPC 6 69439 79116 5
- Label 263070 Entered April 11, 2022 · on the market · 60 vegan capsules · UPC 7 19985 75331 2
DSLD also links this label to: L-Theanine 200 mg (image difference, same product).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Village Vitality LLC (distributor), Woodstock, NY. All Woodstock Vitamins products.