L-Theanine 200 mg
by Superior Source · tablet or pill · 100 MicroLingual(R) Instant Dissolve Tablets
- On the market (NIH)
- DSLD label 212697
- Serving 2 microlingual(r) tablets
- 50 servings
L-Theanine 200 mg by Superior Source lists 2 ingredients, 2 with an amount per serving of 2 microlingual(r) tablets, such as 200 mg of L-theanine and 2 mg of stevia leaf extract. Its current label entered the NIH Dietary Supplement Label Database on January 25, 2020.
What is in L-Theanine 200 mg?
Each row as the label prints it, per serving of 2 microlingual(r) tablets. 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). | |
| Stevia leaf extract | 2 mg | 86% of 754 products listing stevia give more (median 44 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 212697 (entered January 25, 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?
The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:
- 86% of the 754 products that print an amount of stevia list more than its 2 mg of stevia (median 44 mg).
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?
The products whose ingredient lists overlap most with L-Theanine 200 mg's, rare ingredients counting for more.
- Calm Fruit Punch FlavorLittle DaVinci 2 shared, 65% alike
- Liposomal L-Theanine Fruit Punch FlavorDaVinci Laboratories 2 shared, 65% alike
- Liposomal L-TheanineNatural Rhythm 2 shared, 65% alike
- L-Theanine Liquid Natural Lemon FlavorNuMedica · off the market 2 shared, 64% alike
- L-Theanine LiquidNuMedica 2 shared, 60% alike
- Clear SteviaNuNaturals · off the market 1 shared, 54% alike
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
- Directions: As a dietary supplement, dissolve two Microlingual tablets under the tongue as directed by your healthcare provider (physician). This product may also be swallowed.
- Allergens and what it does not contain
- GMO free
Source: label statements in DSLD label 212697.
What else is on the label?
Other ingredients: Lactose, Acacia Gum.
How many labels does L-Theanine 200 mg have?
One label is on file, entered on January 25, 2020.
- Label 212697 (current) Entered January 25, 2020 · on the market · 100 MicroLingual(R) Instant Dissolve Tablets
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Superior Source (distributor). All Superior Source products.