Comparison

Vitamin C with Quercetin and Quercetin 250 mg

Vitamin C with Quercetin (Integrative Therapeutics) lists 4 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 0.85.

Amount per serving (and % of the Daily Value)
IngredientVitamin C with QuercetinQuercetin 250 mg
Vitamin C450 mg (500%)1,000 mg (1111%)
Flavonoid125 mg25 mg
Quercetin250 mg500 mg
Carbohydrate1 g

Amounts are per serving as DSLD gives them: Vitamin C with Quercetin, 2 capsules; Quercetin 250 mg, 2 vegetarian capsules. Current labels entered January 2023 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