GNC L-Glutamine 500 is an amino acid supplement, offering L-Glutamine in 1-capsule servings. This product has an N+ Score of 64, resulting in a 'D' grade, indicating an average quality tier. It contains a single active ingredient, L-Glutamine, at 500mg per capsule. This dosage of L-Glutamine is considered a clinically studied dose, often used in research for various applications. With only one ingredient, the label transparency is excellent. This product may be suitable for individuals seeking to supplement L-Glutamine for general wellness or specific athletic support.
About This Product
L-Glutamine 500 by GNC is a protein supplement containing 1 active ingredients. It has earned an N+ Score of 64/100 (Grade D).
This product features a fully transparent label with individual ingredient amounts disclosed, and key ingredients are present at clinically effective doses based on peer-reviewed research.
Notable clinical-dose ingredients include L-Glutamine.
N+ Score Breakdown
Are key ingredients present at clinically effective doses based on research?
Does the product include all expected ingredients for its supplement category?
Are individual ingredient amounts clearly disclosed without proprietary blends?
Does the formula include a breadth of beneficial compounds from multiple pathways?
Strengths
- +Key ingredients at clinically effective doses
- +Fully transparent label with individual ingredient amounts disclosed
- +1 ingredient(s) at clinical dose levels
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (1 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| L-Glutamine | 500.000 mg | High |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.





