L-Theanine 200 mg
by Protocol For Life Balance · capsule · 60 veg capsules
- On the market (NIH)
- UPC 7 07359 10147 0
- DSLD label 292265
- Serving 1 veg capsule
- 60 servings
L-Theanine 200 mg by Protocol For Life Balance lists 2 ingredients, 2 with an amount per serving of 1 veg capsule, such as 200 mg of L-theanine and 100 mg of inositol. Its current label entered the NIH Dietary Supplement Label Database on June 22, 2023.
What is in L-Theanine 200 mg?
Each row as the label prints it, per serving of 1 veg 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 | 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 292265 (entered June 22, 2023), version 9.4.0. See the label on DSLD or its label image (PDF). 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 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 use: Take 1 capsule 1 to 2 times daily as needed, or as directing by your healthcare practitioner.
- Warnings
- Cautions/interactions: Theanine may interact with chemotherapy agents, psychoactive drugs, and antihypertensive medications. If you are taking any of these medications, consult your healthcare practitioner before taking this product.
- Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
- Allergens and what it does not contain
- Non-GMO
- Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.
Source: label statements in DSLD label 292265.
What else is on the label?
Other ingredients: Hypromellose, Stearic Acid, Silicon Dioxide.
How many labels does L-Theanine 200 mg have?
4 labels are on file under this name since February 26, 2014: other sizes, label designs and reformulations. The current one leads this page.
- Label 292265 (current) Entered June 22, 2023 · on the market · 60 veg capsules · UPC 7 07359 10147 0
- Label 72863 Entered April 25, 2017 · off the market June 9, 2022 · 60 veg capsules · UPC 7 07359 10147 0
- Label 68943 Entered December 23, 2016 · off the market March 7, 2017 · 60 veg capsules · UPC 7 07359 10147 0
- Label 30046 Entered February 26, 2014 · off the market August 14, 2016 · 60 veg capsules · UPC 7 07359 10147 0
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Protocol For Life Balance (manufacturer, distributor), Bloomingdale, IL. All Protocol For Life Balance products.