Comparison
Vitaros and Niagra
Vitaros (Innovus Pharmaceuticals) lists 4 distinct ingredients and Niagra (Everyday Health) 4 (rows of one ingredient counted once); 3 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 0.57.
| Ingredient | Vitaros | Niagra |
|---|---|---|
| Black Pepper | 10 mg | 6 mg |
| Arginine | 500 mg | 400 mg |
| Black galingale | 200 mg | 400 mg |
| Citrulline malate | 0.8 g | |
| Oyster | 200 mg |
Amounts are per serving as DSLD gives them: Vitaros, 2 capsules; Niagra, 2 capsules. Current labels entered September 2022 and January 2024. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.