L-Lysine 1000 is a single-ingredient amino acid supplement in the protein category. Each caplet provides 1000 mg of L-Lysine, offering full transparency regarding its primary active component. With only one ingredient listed, the product focuses solely on delivering L-Lysine. This product received an N+ Score of 46, earning an 'F' grade, which places it in the below-average tier for overall quality and potential efficacy. While it provides a substantial dose of L-Lysine, the 'F' grade suggests other factors in the scoring criteria were not met. It is intended for individuals specifically seeking a high-dose L-Lysine supplement.
About This Product
L-Lysine 1000 by GNC is a protein supplement containing 1 active ingredients. It has earned an N+ Score of 46/100 (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
- −Missing several expected ingredients for its category
Ingredient Analysis (1 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| L-Lysine | 1000.000 mg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.