Comparison

Quercetin Complex and Vitamin-C Extended Release 1000 mg

Quercetin Complex (Solgar) lists 6 distinct ingredients and Vitamin-C Extended Release 1000 mg (Nova Nutritions) 5 (rows of one ingredient counted once); 4 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.

Amount per serving (and % of the Daily Value)
IngredientQuercetin ComplexVitamin-C Extended Release 1000 mg
Flavonoid50 mgnot disclosed
Rutin10 mgnot disclosed
Acerola50 mgnot disclosed
Rose Hip50 mgnot disclosed
Vitamin C1,000 mg (1111%)
Bromelain50 mg
Quercetin500 mg

Amounts are per serving as DSLD gives them: Quercetin Complex, 2 vegetable capsules; Vitamin-C Extended Release 1000 mg, 1 tablet. Current labels entered March 2025 and June 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own