Comparison

Vitamin C with Dihydroquercetin 1000 mg and Taxifolin 10 mg

Vitamin C with Dihydroquercetin 1000 mg (Life Extension) lists 2 distinct ingredients and Taxifolin 10 mg (SuperSmart) 1 (rows of one ingredient counted once); 1 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 0.83.

Amount per serving (and % of the Daily Value)
IngredientVitamin C with Dihydroquercetin 1000 mgTaxifolin 10 mg
Taxifolin10 mg60 mg
Vitamin C1,000 mg (1111%)

Amounts are per serving as DSLD gives them: Vitamin C with Dihydroquercetin 1000 mg, 1 vegetarian tablet; Taxifolin 10 mg, 6 tablets. Current labels entered April 2016 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