NOW Sports
Double Strength L-Arginine 1000 mg
VeganVegetarianKosherWomen (not pregnant or lactating)Gluten FreeDairy Free
77
$10.71$0.18/serving
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Supplement Facts
Label scan from NIH DSLD — open full size| Ingredient | Amount | % DV% Daily Value — how much of the recommended daily intake one serving provides, based on a 2,000 calorie diet. 100% = full daily need. Values over 100% are common for water-soluble vitamins (B, C) and generally safe. Values over 200% are highlighted. |
|---|---|---|
| L-Arginine | 1 Gram(s) | — |
Other ingredients: Microcrystalline Cellulose, Hydroxypropyl Cellulose, Stearic Acid, Croscarmellose Sodium, Silicon Dioxide, Hypromellose, Calcium Carbonate, Glycerin
Score Breakdown
Dosage TransparencyAre all ingredient amounts explicitly listed on the label? Are %DV values provided where applicable? This measures transparency of dosing, not clinical efficacy.30/35
Label TransparencyHow complete is the labeling? Checks serving info, dietary certifications, and whether any doses are hidden behind proprietary blends.20/25
Formulation CleanlinessHow clean are the inactive ingredients? Penalizes artificial colors, sweeteners, titanium dioxide. Rewards vegan, gluten-free, organic.
All scores are algorithmically generated from publicly available label data (NIH Dietary Supplement Label Database) and reflect label quality — not clinical efficacy, safety, or product quality. This page is not affiliated with or endorsed by NOW Sports. If you represent this brand and believe any information is inaccurate, please contact us for a correction. Read full methodology