Twinlab

L-Lysine

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

Twinlab L-Lysine is an amino acid supplement, providing 500mg of L-Lysine per capsule. This product contains only one ingredient, demonstrating 100% label transparency. It received an N+ Score of 46, resulting in an 'F' grade and placing it in the below-average tier. While L-Lysine is commonly used to support various bodily functions, research suggests that typical clinical dosages often range from 1,000mg to 3,000mg per day, making the 500mg dosage in this product potentially underdosed for some applications. The product's formula completeness is 0% and ingredient adequacy is 50% due to the single ingredient and its dosage relative to common clinical recommendations. It may be suitable for individuals seeking a basic L-Lysine supplement at a lower dose.

About This Product

L-Lysine by Twinlab 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.