Comparison
Optimal Vitamin C and C + BioFizz
Optimal Vitamin C (Seeking Health) lists 4 distinct ingredients and C + BioFizz (Designs for Health) 4 (rows of one ingredient counted once); 4 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 | Optimal Vitamin C | C + BioFizz |
|---|---|---|
| Vitamin C | 2,569 mg (2854%) | 2,569 mg (2854%) |
| Quercetin | 20 mg | 20 mg |
| Rutin | 10 mg | 10 mg |
| Hesperidin | 20 mg | 20 mg |
Amounts are per serving as DSLD gives them: Optimal Vitamin C, 4 g; C + BioFizz, 4 g. Current labels entered June 2018 and July 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Optimal Vitamin CSeeking Health: every row against all products listing it
- C + BioFizzDesigns for Health: every row against all products listing it