Comparison
Optimized Quercetin 250 mg and Quercetin 250 mg
Optimized Quercetin 250 mg (Life Extension) lists 6 distinct ingredients and Quercetin 250 mg (BIOVEA) 3 (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 0.38.
| Ingredient | Optimized Quercetin 250 mg | Quercetin 250 mg |
|---|---|---|
| Vitamin C | 30 mg (33%) | 1,000 mg (1111%) |
| Flavonoid | not disclosed | 25 mg |
| Quercetin | 250 mg | 500 mg |
| Apple | not disclosed | |
| Onion | not disclosed | |
| Camu Camu | 60 mg |
Amounts are per serving as DSLD gives them: Optimized Quercetin 250 mg, 1 vegetarian capsule; Quercetin 250 mg, 2 vegetarian capsules. Current labels entered May 2025 and October 2019. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Optimized Quercetin 250 mgLife Extension: every row against all products listing it
- Quercetin 250 mgBIOVEA: every row against all products listing it