Comparison
Zinc Chelate 30 mg and L-OptiZinc 30 mg + Copper
Zinc Chelate 30 mg (Physician's Preference) lists 2 distinct ingredients and L-OptiZinc 30 mg + Copper (Natural Grocers by Vitamin Cottage) 2 (rows of one ingredient counted once); 2 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 | Zinc Chelate 30 mg | L-OptiZinc 30 mg + Copper |
|---|---|---|
| Zinc | 30 mg (273%) | 30 mg (273%) |
| Copper | 0.3 mg (33%) | 0.3 mg (33%) |
Amounts are per serving as DSLD gives them: Zinc Chelate 30 mg, 1 capsule; L-OptiZinc 30 mg + Copper, 1 vegetarian capsule. Current labels entered July 2012 and November 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Zinc Chelate 30 mgPhysician's Preference: every row against all products listing it
- L-OptiZinc 30 mg + CopperNatural Grocers by Vitamin Cottage: every row against all products listing it