L-Theanine 150 mg
by Solgar · capsule · 60 vegetable capsules
- On the market (NIH)
- UPC 0 33984 02706 0
- DSLD label 201642
- Serving 1 vegetable capsule
L-Theanine 150 mg by Solgar lists one ingredient: 150 mg of suntheanine L-theanine per serving of 1 vegetable capsule. Its current label entered the NIH Dietary Supplement Label Database on April 25, 2019.
What is in L-Theanine 150 mg?
Each row as the label prints it, per serving of 1 vegetable 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-TheanineSuntheanine L-Theanine Note: free form | 150 mg | Higher than 55% of 1,602 products listing theanine (median 100 mg). Per day at the most servings: 300 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 201642 (entered April 25, 2019), 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.
- TheanineNatrol same ingredients
- Suntheanine L-Theanine 150 mgDoctor's Best same ingredients
- L-Theanine With Suntheanine 150 mgDoctor's Best · off the market same ingredients
- L-Theanine 150 mgBluebonnet · off the market same ingredients
- SunTheanine 150 mgTomorrow's Nutrition same ingredients
- L-Theanine 150 mgBIOVEA 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: As a dietary supplement for adults, take one (1) vegetable capsule twice daily, between meals, or as directed by a healthcare practitioner.
- Warnings
- If you are pregnant, nursing, taking any medications or have a medical condition, please consult your healthcare practitioner before taking any dietary supplement.
- Discontinue use and consult your healthcare practitioner if any adverse reactions occur.
- Keep out of reach of children.
- Do not use if outer bottle seal is missing or damaged.
- Allergens and what it does not contain
- Non-GMO Gluten, wheat & dairy free
- Free of: Gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavor, sweetener, preservatives and color.
- Storage
- Store at room temperature.
Source: label statements in DSLD label 201642.
What else is on the label?
Other ingredients: Vegetable Cellulose, Microcrystalline Cellulose, Silica, Vegetable Magnesium Stearate.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GF Certified Gluten-free K Parve. Listed with: Certified gluten-free (GFCO) (a seal is the label's claim; the certifier's own list confirms it).
How many labels does L-Theanine 150 mg have?
5 labels are on file under this name since December 22, 2017: other sizes, label designs and reformulations. The current one leads this page.
- Label 214989 Entered February 26, 2020 · off the market November 10, 2017 · 60 vegetable capsules · UPC 0 33984 02706 0
- Label 214987 Entered February 26, 2020 · off the market November 10, 2017 · 60 vegetable capsules · UPC 0 33984 02706 0
- Label 214985 Entered February 26, 2020 · off the market November 10, 2017 · 60 vegetable capsules · UPC 0 33984 02706 0
- Label 201642 (current) Entered April 25, 2019 · on the market · 60 vegetable capsules · UPC 0 33984 02706 0
- Label 81111 Entered December 22, 2017 · off the market September 10, 2018 · 60 vegetable capsules · UPC 0 33984 02706 0
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Solgar, Inc. (manufacturer), Leonia, NJ, U.S.A.. All Solgar products.