Comparison
Vitamin-C Plex and Ester-C
Vitamin-C Plex (OL Olympian Labs) lists 3 distinct ingredients and Ester-C (Kala Health) 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.
| Ingredient | Vitamin-C Plex | Ester-C |
|---|---|---|
| Vitamin C | 1,000 mg (1111%) | 790 mg (878%) |
| Calcium | 120 mg (9%) | 90 mg (7%) |
| Flavonoid | 100 mg | 100 mg |
Amounts are per serving as DSLD gives them: Vitamin-C Plex, 2 tablets; Ester-C, 1 tablet. Current labels entered October 2014 and July 2024. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Vitamin-C PlexOL Olympian Labs: every row against all products listing it
- Ester-CKala Health: every row against all products listing it