Comparison
Quercetin 250 mg and Quercetin 500 mg
Quercetin 250 mg (Natrol) lists 7 distinct ingredients and Quercetin 500 mg (Natrol) 7 (rows of one ingredient counted once); 7 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 1.00: the same ingredients, at the amounts in the table below.
| Ingredient | Quercetin 250 mg | Quercetin 500 mg |
|---|---|---|
| Vitamin C | 1,000 mg (1111%) | 1,000 mg (1111%) |
| Flavonoid | 100 mg | 100 mg |
| Quercetin | 500 mg | 500 mg |
| Orange (unspecified) | not disclosed | not disclosed |
| Lemon | not disclosed | not disclosed |
| Tangerine | not disclosed | not disclosed |
| Lime | not disclosed | not disclosed |
Amounts are per serving as DSLD gives them: Quercetin 250 mg, 2 capsules; Quercetin 500 mg, 2 capsules. Current labels entered January 2018 and December 2017. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Quercetin 250 mgNatrol: every row against all products listing it
- Quercetin 500 mgNatrol: every row against all products listing it