L-Theanine 150 mg
by BIOVEA · capsule · 60 vegetarian capsules
- On the market (NIH)
- UPC 8 18423 02287 1
- DSLD label 248966
- Serving 1 vegetarian capsule
- 60 servings
L-Theanine 150 mg by BIOVEA lists one ingredient: 150 mg of L-theanine per serving of 1 vegetarian capsule. Its current label entered the NIH Dietary Supplement Label Database on May 22, 2021.
What is in L-Theanine 150 mg?
Each row as the label prints it, per serving of 1 vegetarian capsule. 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 |
|---|---|---|---|
| L-Theanine | 150 mg | Higher than 55% of 1,602 products listing theanine (median 100 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 248966 (entered May 22, 2021), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records one serving 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.
- TheanineNatrol same ingredients
- Suntheanine L-Theanine 150 mgDoctor's Best same ingredients
- L-Theanine With Suntheanine 150 mgDoctor's Best · off the market same ingredients
- L-Theanine 150 mgBluebonnet · off the market same ingredients
- SunTheanine 150 mgTomorrow's Nutrition same ingredients
- L-Theanine 150 mgSolgar 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
- Suggested Daily Intake: Take 1 capsule daily or every 8 hours as needed.
- Warnings
- Warning: If you are pregnant or lactating, consult a healthcare professional before using this product.
- Keep out of reach of children.
- Do not use this product if the safety seal on the bottle is broken.
- Allergens and what it does not contain
- Gluten free
- Non-GMO
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 248966.
What else is on the label?
Other ingredients: Rice Flour, Hydroxypropyl Methylcellulose, Vegetable Magnesium Stearate.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Compliant.
How many labels does L-Theanine 150 mg have?
3 labels are on file under this name since June 25, 2015: other sizes, label designs and reformulations. The current one leads this page.
- Label 248966 (current) Entered May 22, 2021 · on the market · 60 vegetarian capsules · UPC 8 18423 02287 1
- Label 207569 Entered October 23, 2019 · off the market March 3, 2021 · 60 vegetarian capsules · UPC 8 18423 02287 1
- Label 45535 Entered June 25, 2015 · off the market April 26, 2019 · 60 capsules · UPC 6 89076 03556 9
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names BIOVEA (distributor), Scottsdale, AZ. All BIOVEA products.