Zen Theanine
by AOR Advanced Orthomolecular Research Premium · capsule · 120 vegetarian capsules
- On the market (NIH)
- UPC 6 24917 08341 5
- DSLD label 214728
- Serving 1 capsule
- 120 servings
Zen Theanine by AOR Advanced Orthomolecular Research Premium lists one ingredient: 225 mg of suntheanine L-theanine per serving of 1 capsule. Its current label entered the NIH Dietary Supplement Label Database on March 24, 2020.
What is in Zen Theanine?
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 |
|---|---|---|---|
| Suntheanine L-Theanine | 225 mg | Higher than 90% of 1,602 products listing theanine (median 100 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 214728 (entered March 24, 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 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
- Pure L-TheanineMicro Ingredients same ingredients
- L-Theanine 250 mgKirkman same ingredients
- L-TheanineSuperiorLabs same ingredients
- L-Theanine 200 mgGood 'N Natural · off the market 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.
- Warnings
- Do not use if safety seal is broken
- Caution: Consult your physician before use if you are pregnant, lactating, have a medical condition, or if you’re taking any medication.
- Consult a health care practitioner if you have a liver disorder, or if you have an iron deficiency.
- Keep out of reach of children.
- To report a serious adverse event or obtain product information, call 1-866-215-0450
- Allergens and what it does not contain
- Non-GMO Gluten free
- Made without wheat, gluten, corn, nuts, peanuts, soy, dairy, eggs, fish, shellfish or any animal byproduct.
- Storage
- Store tightly sealed in a cool, dry place
- Directions: Take 1 capsule daily without food, or as directed by a qualified health care practitioner.
Source: label statements in DSLD label 214728.
What else is on the label?
Other ingredients: Microcrystalline Cellulose, Capsule.
How many labels does Zen Theanine have?
One label is on file, entered on March 24, 2020.
- Label 214728 (current) Entered March 24, 2020 · on the market · 120 vegetarian capsules · UPC 6 24917 08341 5
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names AOR Inc. (manufacturer), Clifton, NJ. All AOR Advanced Orthomolecular Research Premium products.