Double Strength L-Theanine 200 mg Suntheanine
by NOW · capsule · 60 vcaps(R)
- Off the market since January 2014 (NIH)
- UPC 7 33739 00147 4
- DSLD label 26834
- Serving 1 vcap(s)(r)
Double Strength L-Theanine 200 mg Suntheanine by NOW lists 2 ingredients, 2 with an amount per serving of 1 vcap(s)(r), such as 200 mg of suntheanine L-theanine and 100 mg of inositol. Its current label entered the NIH Dietary Supplement Label Database on October 25, 2013.
What is in Double Strength L-Theanine 200 mg Suntheanine?
Each row as the label prints it, per serving of 1 vcap(s)(r). 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 | 200 mg | Higher than 61% of 1,602 products listing theanine (median 100 mg). Per day at the most servings: 400 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 26834 (entered October 25, 2013), 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.
- 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
- L-Theanine 200 mgLongevity Medical Clinic 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 USAGE: As a dietary supplement, take 1 Vcap(R) 1 to 2 times daily as needed, preferably on an empty stomach.
- Allergens and what it does not contain
- Contains no sugar, salt, starch, yeast, wheat, gluten, soy, milk, egg, shellfish or preservatives.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 26834.
What else is on the label?
Other ingredients: Vegetable Polysaccharide, Stearic Acid, Magnesium Stearate, Silica.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP QUALITY ASSURED.
How many labels does Double Strength L-Theanine 200 mg Suntheanine have?
2 labels are on file under this name since October 1, 2012: other sizes, label designs and reformulations. The current one leads this page.
- Label 26834 (current) Entered October 25, 2013 · off the market January 8, 2014 · 60 vcaps(R) · UPC 7 33739 00147 4
- Label 13234 Entered October 1, 2012 · off the market February 25, 2013 · 60 vcaps(R) · UPC 7 33739 00147 4
DSLD also links this label to: Double Strength L-Theanine 200 mg (image difference, same product), Double Strength L-Theanine 200 mg (package size difference, same product), Double Strength L-Theanine 200 mg (package size difference, same product), L-Theanine Double Strength - 200 mg (image difference, same product), L-Theanine Double Strength - 200 mg (package size difference, same product), L-Theanine Double Strength - 200 mg (package size difference, same product), Double Strength L-Theanine 200 mg (image difference, same product), Double Strength L-Theanine 200 mg (package size 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 NOW FOODS (manufacturer), BLOOMINGDALE, IL. All NOW products.