Pure L-Theanine
by Micro Ingredients · powder · 100 grams
- On the market (NIH)
- UPC X000ZTFSMR
- DSLD label 256701
- Serving 250 mg (1 scoop)
- 400 servings
Pure L-Theanine by Micro Ingredients lists one ingredient: 250 mg of L-theanine per serving of 250 mg. Its current label entered the NIH Dietary Supplement Label Database on September 24, 2021.
What is in Pure L-Theanine?
Each row as the label prints it, per serving of 250 mg. 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 | 250 mg | Higher than 90% of 1,602 products listing theanine (median 100 mg). Per day at the most servings: 750 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 256701 (entered September 24, 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 1 to 3 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-TheaninePureBulk.com same ingredients
- Suntheanine L-Theanine 125 mgNatural Factors Stress-Relax same ingredients
- L-Theanine 250 mgKirkman same ingredients
- L-TheanineSuperiorLabs same ingredients
- Zen TheanineAOR Advanced Orthomolecular Research Premium same ingredients
- L-TheanineNOW 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: As a dietary supplement, take 1 scoop one to three times daily. For best results, please consult your physician.
- Warnings
- Keep out of the reach of children.
- If pregnant/lactating or taking any medications, please consult your physician prior to use.
- Allergens and what it does not contain
- No Soy Non-GMO No gluten
- Free Of: Soy, dairy, yeast, gluten, corn & additives.
- Storage
- Keep in a cool, dry place.
Source: label statements in DSLD label 256701.
What else is on the label?
Other ingredients: None.
How many labels does Pure L-Theanine have?
2 labels are on file under this name since August 23, 2020: other sizes, label designs and reformulations. The current one leads this page.
- Label 256701 (current) Entered September 24, 2021 · on the market · 100 grams · UPC X000ZTFSMR
- Label 231763 Entered August 23, 2020 · off the market June 30, 2021 · 100 grams · UPC X000ZTFSMR
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Micro Ingredients (distributor), Diamond Bar, CA. All Micro Ingredients products.