Comparison
Vitamin C-1000 and Quercetin
Vitamin C-1000 (OL Olympian Labs) lists 8 distinct ingredients and Quercetin (Natrol) 7 (rows of one ingredient counted once); 6 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 0.67.
| Ingredient | Vitamin C-1000 | Quercetin |
|---|---|---|
| Vitamin C | 1,000 mg (1111%) | 1,000 mg (1111%) |
| Flavonoid | 100 mg | 66 mg |
| Lemon | not disclosed | not disclosed |
| Sweet Orange | not disclosed | not disclosed |
| Tangerine | not disclosed | not disclosed |
| Lime | not disclosed | not disclosed |
| Quercetin | 500 mg | |
| Grapefruit | not disclosed | |
| Dog Rose | 50 mg |
Amounts are per serving as DSLD gives them: Vitamin C-1000, 1 tablet; Quercetin, 2 capsules. Current labels entered October 2014 and May 2019. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Vitamin C-1000OL Olympian Labs: every row against all products listing it
- QuercetinNatrol: every row against all products listing it