Natural Factors

L-Lysine 1000 mg

F
N+ Score46
ProteinServing: 2 Capsule(s)Type: Amino acid/Protein

Natural Factors L-Lysine 1000 mg is an amino acid supplement, providing 1000 mg of L-Lysine per two-capsule serving. L-Lysine is an essential amino acid commonly used for various bodily functions, though research on its specific benefits in supplement form is ongoing. This product received an N+ Score of 46, earning a grade of F, indicating a below-average rating according to our analysis. While the label transparency is 100% with only one ingredient listed, the dosage of 1000 mg L-Lysine per serving is not considered a clinically studied dose for most common applications, contributing to its lower score. This product may be suitable for individuals specifically looking to supplement L-Lysine as a standalone ingredient.

About This Product

L-Lysine 1000 mg by Natural Factors 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-Lysine1000.000 mgN/A

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