Comparison
Ferrous Sulfate Iron 28 mg and Iron Chelate 25 mg
Ferrous Sulfate Iron 28 mg (Rexall) lists 2 distinct ingredients and Iron Chelate 25 mg (Natural Factors) 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 | Ferrous Sulfate Iron 28 mg | Iron Chelate 25 mg |
|---|---|---|
| Calcium | 104 mg (8%) | 45 mg (3%) |
| Iron | 28 mg (156%) | 25 mg (139%) |
Amounts are per serving as DSLD gives them: Ferrous Sulfate Iron 28 mg, 1 tablet; Iron Chelate 25 mg, 1 tablet. Current labels entered August 2016 and January 2023. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Ferrous Sulfate Iron 28 mgRexall: every row against all products listing it
- Iron Chelate 25 mgNatural Factors: every row against all products listing it