Comparison

Vitamin C Complex and C Buffered with Bioflavonoids

Vitamin C Complex (Relumins Advance Nutrition) lists 5 distinct ingredients and C Buffered with Bioflavonoids (Progressive Professional from Progressive Laboratories) 6 (rows of one ingredient counted once); 5 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 0.79.

Amount per serving (and % of the Daily Value)
IngredientVitamin C ComplexC Buffered with Bioflavonoids
Vitamin C1,000 mg (1111%)500 mg (556%)
Calcium100 mg (8%)58 mg (4%)
Flavonoid200 mg50 mg
Quercetin200 mgnot disclosed
Hesperidin200 mgnot disclosed
Rutinnot disclosed

Amounts are per serving as DSLD gives them: Vitamin C Complex, 2 capsules; C Buffered with Bioflavonoids, 1 vegetable capsule. Current labels entered February 2017 and February 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own