Comparison
Quercetin 1000 mg and Q-Defend
Quercetin 1000 mg (O Orgeuos) lists 21 distinct ingredients and Q-Defend (Clean Nutraceuticals) 18 (rows of one ingredient counted once); 14 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 0.48.
| Ingredient | Quercetin 1000 mg | Q-Defend |
|---|---|---|
| Vitamin C | 1,000 mg (1111%) | 1,000 mg (1111%) |
| Vitamin D | 125 mcg (625%) | 125 mcg (625%) |
| Zinc | 50 mg (455%) | not disclosed |
| Ginger | not disclosed | not disclosed |
| Turmeric | not disclosed | not disclosed |
| Black Pepper | 5 mg | 5 mg |
| Bromelain | not disclosed | not disclosed |
| Quercetin | 1,000 mg | 100 mg |
| Garlic | not disclosed | not disclosed |
| Lysine | not disclosed | not disclosed |
| Bifidobacterium animalis lactis | not disclosed | not disclosed |
| Stinging Nettle | not disclosed | not disclosed |
| Reishi mushroom | not disclosed | not disclosed |
| Irish Moss | not disclosed | not disclosed |
| Sodium | 10 mg | |
| Magnesium | not disclosed | |
| European Elder | 1,000 mg | |
| Resveratrol | 600 mg | |
| Echinacea purpurea | not disclosed | |
| Dog Rose | not disclosed | |
| Echinacea | not disclosed | |
| Elderberry | 100 mg | |
| Sweet Annie | not disclosed | |
| Black Seed Oil | not disclosed | |
| Artemisinin | not disclosed |
Amounts are per serving as DSLD gives them: Quercetin 1000 mg, 2 capsules; Q-Defend, 2 capsules. Current labels entered December 2024 and March 2024. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Quercetin 1000 mgO Orgeuos: every row against all products listing it
- Q-DefendClean Nutraceuticals: every row against all products listing it