L-Theanine 250 mg
by Arazo Nutrition · capsule · 120 capsules
- On the market (NIH)
- UPC X001MCX3XH
- DSLD label 237162
- Serving 1 capsule
- 120 servings
L-Theanine 250 mg by Arazo Nutrition lists 2 ingredients, 2 with an amount per serving of 1 capsule, such as 250 mg of L-theanine and 100 mg of inositol. Its current label entered the NIH Dietary Supplement Label Database on November 21, 2020.
What is in L-Theanine 250 mg?
Each row as the label prints it, per serving of 1 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 | 250 mg | Higher than 90% of 1,602 products listing theanine (median 100 mg). Per day at the most servings: 500 mg. | |
| Inositol | 100 mg | Higher than 76% of 4,042 products listing inositol (median 30 mg). Per day at the most servings: 200 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 237162 (entered November 21, 2020), 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 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.
- Double Strength L-Theanine 200 mg SuntheanineNOW · off the market same ingredients
- L-Theanine Double Strength - 200 mgNOW · off the market same ingredients
- L-TheanineBRI Nutrition · off the market same ingredients
- Theanine 200 mg + InositolNatural Grocers by Vitamin Cottage same ingredients
- L-Theanine 200 mgLuckyVitamin same ingredients
- L-Theanine 200 mgProtocol For Life Balance 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 Use: As a dietary supplement, take one (1) vegetable capsule, one to two times daily, as needed, preferably on an empty stomach, or as directed by your health care professional.
- Warnings
- Caution: Do not exceed recommended serving.
- Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.
- Keep out of the reach of children.
- Do not use if safety seal is damaged or missing.
- Storage
- Store at room temperature.
Source: label statements in DSLD label 237162.
What else is on the label?
Other ingredients: Rice Flour, Vegetable capsule, Vegetable Magnesium Stearate, Silicon Dioxide.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Formulated in USA GMP Good manufacturing practice Sourced from a certified facility Third Party Tested.
How many labels does L-Theanine 250 mg have?
2 labels are on file under this name since July 24, 2019: other sizes, label designs and reformulations. The current one leads this page.
- Label 237162 (current) Entered November 21, 2020 · on the market · 120 capsules · UPC X001MCX3XH
- Label 205228 Entered July 24, 2019 · off the market August 12, 2020 · 120 capsules · UPC X001MCX3XH
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Arazo Nutrition (distributor), Wilmington, DE, U.S.A.. All Arazo Nutrition products.