GNC

L-Lysine 500

F
N+ Score46
ProteinServing: 1 Tablet(s)Type: Amino acid/Protein

L-Lysine 500 is a single-ingredient amino acid supplement, falling under the protein category. Each tablet provides 500 mg of L-Lysine, ensuring complete transparency for its only active component. With just one ingredient, the product is focused solely on delivering L-Lysine. This product received an N+ Score of 46, resulting in an 'F' grade, placing it in the below-average tier for overall quality and potential efficacy. While it provides L-Lysine, the 'F' grade suggests that other quality criteria were not met. It is designed for individuals specifically looking for a standard dose L-Lysine supplement.

About This Product

L-Lysine 500 by GNC is a protein supplement containing 1 active ingredients. It has earned an N+ Score of 46/100 (Grade F).

N+ Score Breakdown

Ingredient Adequacy50/100

Are key ingredients present at clinically effective doses based on research?

Formula Completeness0/100

Does the product include all expected ingredients for its supplement category?

Label Transparency100/100

Are individual ingredient amounts clearly disclosed without proprietary blends?

Ingredient Diversity44/100

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)

IngredientAmountDose Adequacy
L-Lysine500.000 mgN/A

Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.