Comparison

Super Vitamin C and Quercetin Complex

Super Vitamin C (Nature's Lab) lists 3 distinct ingredients and Quercetin Complex (Natrol) 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 1.00: the same ingredients, at the amounts in the table below.

Amount per serving (and % of the Daily Value)
IngredientSuper Vitamin CQuercetin Complex
Vitamin C1,000 mg (1111%)1,000 mg (1111%)
Flavonoid200 mg66 mg
Quercetin200 mg500 mg

Amounts are per serving as DSLD gives them: Super Vitamin C, 2 capsules; Quercetin Complex, 2 capsules. Current labels entered June 2020 and June 2023. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own