Sports nutrition · Twinlab
L-Glutamine
Why Twinlab l-glutamine?
- 500 mg l-glutamine per serving
- No artificial colors, flavors, or preservatives added.
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 Capsule(s)
At a glance
From the label as printed · NIH DSLD
Protein powder · Capsule
Per serving500 mg l-glutamine
100 servings per container
The label gives no directions.
One serving: 1 Capsule(s)
Warning: If you are pregnant or nursing, taking any medication, or have any medical condition, consult a health care professional before use.
All warnings ↓No third-party testing mark on the label
Marks like NSF Certified for Sport or Informed Sport mean batches are tested for banned substances. Their absence does not mean a product is contaminated — only that nobody independent has said it isn’t.
- Sports nutrition — claims are the manufacturer’s
- No artificial colors, flavors, or preservatives added.
- Adult (18 - 50 Years)
Supplement Facts
Supplement Facts
Serving size 1 Capsule(s)
Servings per container 100
| Amount per serving | % DV | |
|---|---|---|
| L-Glutamine | 500 mg | † |
† Daily Value not established.
Other ingredients: Gelatin, Cellulose, Magnesium Stearate, Medium Chain Triglycerides, Silica
Transcribed from the label by the NIH Office of Dietary Supplements. What a label says is not independently verified. See the original label
Warnings on the label
- Warning: If you are pregnant or nursing, taking any medication, or have any medical condition, consult a health care professional before use.
- Keep out of reach of children.
What no one has checked
Contents are declared by the manufacturer and are not verified by a regulator. Independent testing has repeatedly found amounts that differ from the label, and products that contain substances banned in sport. Third-party certification, where a product has it, is shown on this page.
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Details
| Brand | Twinlab |
|---|---|
| UPC | 0 27434 00130 4 |
| NIH label ID | 268468 |
| Label recorded | 2022-06-16 |
Source: Dietary Supplement Label Database · NIH Office of Dietary Supplements · retrieved 2026-09-21 · not reviewed by a nutrition professional