L-Theanine 200 mg
by Longevity Medical Clinic · capsule · 60 veg capsules
- On the market (NIH)
- DSLD label 308016
- Serving 1 veg capsule
- 60 servings
L-Theanine 200 mg by Longevity Medical Clinic 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 April 23, 2024.
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). | |
| Inositol | 100 mg | Higher than 76% of 4,042 products listing inositol (median 30 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 308016 (entered April 23, 2024), 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 one serving 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
- Recommendations: As a dietary supplement, take 1 Veg Capsule before bedtime, or as directed by your Longevity physician.
- Warnings
- Tamper evident. Do not use if seal is broken.
- Keep out of reach of children.
- Consult your physician if you are pregnant or breastfeeding before using this product.
- Storage
- Store in a cool dry place.
Source: label statements in DSLD label 308016.
What else is on the label?
Other ingredients: Hypromellose, Stearic Acid, Silicon Dioxide.
How many labels does L-Theanine 200 mg have?
One label is on file, entered on April 23, 2024.
- Label 308016 (current) Entered April 23, 2024 · on the market · 60 veg capsules
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Longevity Medical Clinic (distributor), Kirkland, WA. All Longevity Medical Clinic products.