Comparison

Vitamin C & Polyphenols Immunity Complex and Polyphenol-C 500

Vitamin C & Polyphenols Immunity Complex (Biovia) lists 7 distinct ingredients and Polyphenol-C 500 (Allergy Research Group) 8 (rows of one ingredient counted once); 7 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 0.81.

Amount per serving (and % of the Daily Value)
IngredientVitamin C & Polyphenols Immunity ComplexPolyphenol-C 500
Vitamin C500 mg (556%)500 mg (556%)
Grapenot disclosednot disclosed
Cranberrynot disclosednot disclosed
Blueberrynot disclosednot disclosed
Raspberrynot disclosednot disclosed
Strawberrynot disclosednot disclosed
Blackberrynot disclosednot disclosed
Polyphenols80 mg

Amounts are per serving as DSLD gives them: Vitamin C & Polyphenols Immunity Complex, 1 vegetarian capsule; Polyphenol-C 500, 1 capsule. Current labels entered June 2021 and January 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own