Twinlab's 'Glutamine Fuel' is an amino acid supplement providing L-Glutamine, with each two-capsule serving containing 1.5 grams. While L-Glutamine is a popular amino acid, typically used in higher daily dosages (often 5-20 grams) in research settings for specific purposes, the 1.5-gram dose in this product is considered underdosed for many applications. This product received an N+ Score of 29, resulting in an 'F' grade, reflecting a poor evaluation primarily due to the inadequate ingredient dosage. Despite its 100% label transparency and single-ingredient formula, the low dose of L-Glutamine is a significant limitation. It might be suitable for those desiring a minimal L-Glutamine intake or willing to adjust serving sizes.
About This Product
Glutamine Fuel by Twinlab is a protein supplement containing 1 active ingredients. It has earned an N+ Score of 29/100 (Grade F).
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
- +Fully transparent label with individual ingredient amounts disclosed
Weaknesses
- −Several ingredients below clinically effective doses
- −Missing several expected ingredients for its category
Ingredient Analysis (1 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| L-Glutamine | 1.500 Gram(s) | Under |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.