Swanson Premium Brand

L-Arginine 500 mg

D
N+ Score64
ProteinServing: 1 Capsule(s)Type: Amino acid/Protein

Swanson Premium Brand L-Arginine 500 mg is a straightforward Amino acid/Protein supplement containing a single active ingredient. Each 1-capsule serving delivers 500mg of L-Arginine, which is provided at a clinically studied dose. Research suggests L-Arginine may play a role in nitric oxide production, potentially supporting cardiovascular function and exercise performance. The product has an N+ Score of 64, earning it a 'D' grade, indicating an average quality tier. This supplement is ideal for individuals looking for a specific, single-ingredient L-Arginine product at a studied dosage.

About This Product

L-Arginine 500 mg by Swanson Premium Brand is a protein supplement containing 1 active ingredients. It has earned an N+ Score of 64/100 (Grade D).

This product features a fully transparent label with individual ingredient amounts disclosed, and key ingredients are present at clinically effective doses based on peer-reviewed research.

Notable clinical-dose ingredients include L-Arginine.

N+ Score Breakdown

Ingredient Adequacy100/100

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

  • +Key ingredients at clinically effective doses
  • +Fully transparent label with individual ingredient amounts disclosed
  • +1 ingredient(s) at clinical dose levels

Weaknesses

  • −Missing several expected ingredients for its category

Ingredient Analysis (1 ingredients)

IngredientAmountDose Adequacy
L-Arginine500.000 mgHigh

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