Comparison
Cdz and C-D-Zinc
Cdz (Quantum Health) lists 3 distinct ingredients and C-D-Zinc (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 | Cdz | C-D-Zinc |
|---|---|---|
| Vitamin C | 500 mg (556%) | 800 mg (889%) |
| Vitamin D | 25 mcg (125%) | 25 mcg (125%) |
| Zinc | 15 mg (136%) | 15 mg (136%) |
Amounts are per serving as DSLD gives them: Cdz, 1 capsule; C-D-Zinc, 1 vegetarian capsule. Current labels entered December 2024 and May 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.