Comparison
C' Plus and C 1,000 mg
C' Plus (Klaire Labs) lists 2 distinct ingredients and C 1,000 mg (Swanson) 2 (rows of one ingredient counted once); 2 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.
| Ingredient | C' Plus | C 1,000 mg |
|---|---|---|
| Vitamin C | 1,730 mg (1922%) | 2,111 mg (2346%) |
| Flavonoid | 224 mg | 200 mg |
Amounts are per serving as DSLD gives them: C' Plus, 2 capsules; C 1,000 mg, 1 tablet. Current labels entered July 2022 and December 2024. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- C' PlusKlaire Labs: every row against all products listing it
- C 1,000 mgSwanson: every row against all products listing it