Comparison
Optimal Zinc and Zinc Plus
Optimal Zinc (Seeking Health) lists 4 distinct ingredients and Zinc Plus (Klaire Labs) 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 Zinc | Zinc Plus |
|---|---|---|
| Vitamin C | 60 mg (67%) | 60 mg (67%) |
| Vitamin B6 | 4 mg (235%) | 4 mg (235%) |
| Zinc | 15 mg (136%) | 15 mg (136%) |
| Copper | 1 mg (111%) | 1 mg (111%) |
Amounts are per serving as DSLD gives them: Optimal Zinc, 1 capsule; Zinc Plus, 1 capsule. Current labels entered January 2020 and June 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Optimal ZincSeeking Health: every row against all products listing it
- Zinc PlusKlaire Labs: every row against all products listing it