Food supplement · NutraBio
L-Theanine
Why NutraBio l-theanine?
- 200 mg l-theanine per serving
- Non-GMO Gluten free BSE/TSE free
- No fillers No excipients
From the label’s panel and printed marks — not its marketing.
Sold as food, not medicine — no regulator checked that it works
Per serving · 1 Scoop (0.2 g)
At a glance
From the label as printed · NIH DSLD
Herbal supplement · Powder
Per serving200 mg l-theanine
750 servings per container
As a dietary supplement, take 1 serving with your favorite beverage 1 to 2 times daily on an empty stomach, or as directed by your physician.
One serving: 1 Scoop (0.2 g)
Warning: Not intended for use by persons under the age of 18. Keep out of the reach of children.
All warnings ↓No third-party testing mark on the label
Marks like USP Verified mean an independent lab checked that the product contains what the label says.
- Food supplement — claims are the manufacturer’s
- Non-GMO Gluten free BSE/TSE free
- No fillers No excipients
- Free of harmful impurities
- Vegetarian
- Adult (18 - 50 Years)
Supplement Facts
Supplement Facts
Serving size 1 Scoop (0.2 g)
Servings per container 750
| Amount per serving | % DV | |
|---|---|---|
| L-Theanine | 200 mg | † |
† Daily Value not established.
Other ingredients: Absolutely None
Transcribed from the label by the NIH Office of Dietary Supplements. What a label says is not independently verified. See the original label
How to take it
- Suggested Use: As a dietary supplement, take 1 serving with your favorite beverage 1 to 2 times daily on an empty stomach, or as directed by your physician. We advise an accurate milligram weight scale be used.
The manufacturer’s directions, from the label.
Warnings on the label
- Warning: Not intended for use by persons under the age of 18. Keep out of the reach of children.
- If you are pregnant, breast feeding, have known medical conditions (including kidney or liver disease) or are taking prescription or OTC medication(s) consult with your health care practitioner before using this product. If you are taking anti-depressant drugs such as MAOI's or SSRI's, consult your healthcare professional before taking this product.
- Discontinue use two weeks prior to surgery.
What no one has checked
Supplements are regulated as food, not as medicine. No regulator has assessed whether this product works, and manufacturing standards vary widely between brands and countries.
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Details
| Brand | NutraBio |
|---|---|
| UPC | 6 49908 24510 8 |
| NIH label ID | 212999 |
| Label recorded | 2020-02-26 |
Source: Dietary Supplement Label Database · NIH Office of Dietary Supplements · retrieved 2026-09-21 · not reviewed by a nutrition professional