Comparison
Chelated-C Plus and Ester-C Plus
Chelated-C Plus (Douglas Laboratories) lists 8 distinct ingredients and Ester-C Plus (Douglas Laboratories) 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 0.66.
| Ingredient | Chelated-C Plus | Ester-C Plus |
|---|---|---|
| Vitamin C | 530 mg (589%) | 530 mg (589%) |
| Calcium | 60 mg (5%) | 60 mg (5%) |
| Vitamin A | not disclosed | not disclosed |
| Flavonoid | 50 mg | 50 mg |
| Quercetin | not disclosed | not disclosed |
| Rutin | 50 mg | 50 mg |
| Echinacea purpurea | not disclosed | not disclosed |
| Pine | 3 mg | |
| Maritime Pine | 3 mg |
Amounts are per serving as DSLD gives them: Chelated-C Plus, 1 vegetarian capsule; Ester-C Plus, 1 capsule. Current labels entered December 2020 and August 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Chelated-C PlusDouglas Laboratories: every row against all products listing it
- Ester-C PlusDouglas Laboratories: every row against all products listing it