L-Arginine 1000 mg
Natural Factors L-Arginine 1000 mg is an amino acid supplement, providing 1000mg of L-Arginine per serving. Research suggests L-Arginine is commonly used for its role as a precursor to nitric oxide, which may support cardiovascular function and blood flow. This product achieves an N+ Score of 64, earning a grade of D, indicating an average rating primarily due to its singular ingredient focus. The L-Arginine dosage of 1000mg per serving is considered to be at a clinically studied level, contributing to the product's 100% ingredient adequacy and full label transparency. This supplement may be suitable for individuals seeking to supplement their L-Arginine intake with a transparently dosed single-ingredient product.
About This Product
L-Arginine 1000 mg by Natural Factors 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
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
- +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)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| L-Arginine | 1000.000 mg | High |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.