Comparison
Chelated-C Complex and Ester-C Complex
Chelated-C Complex (Douglas Laboratories) lists 3 distinct ingredients and Ester-C Complex (Douglas Laboratories) 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 | Chelated-C Complex | Ester-C Complex |
|---|---|---|
| Vitamin C | 490 mg (544%) | 490 mg (544%) |
| Calcium | 60 mg (5%) | 60 mg (5%) |
| Flavonoid | 100 mg | 100 mg |
Amounts are per serving as DSLD gives them: Chelated-C Complex, 1 vegetarian capsule; Ester-C Complex, 1 vegetarian capsule. Current labels entered May 2021 and January 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Chelated-C ComplexDouglas Laboratories: every row against all products listing it
- Ester-C ComplexDouglas Laboratories: every row against all products listing it