Comparison

Ferronyl Iron and Ferro-C

Ferronyl Iron (Douglas Laboratories) lists 12 distinct ingredients and Ferro-C (Douglas Laboratories) 12 (rows of one ingredient counted once); 12 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.

Amount per serving (and % of the Daily Value)
IngredientFerronyl IronFerro-C
Vitamin C200 mg (222%)200 mg (222%)
Vitamin B64 mg (235%)4 mg (235%)
Vitamin B1250 mcg (2083%)50 mcg (2083%)
Niacin30 mg (188%)30 mg (188%)
Vitamin E20.1 mg (134%)30 IU
Folate167 mcg DFE (42%)100 mcg
Pantothenic Acid (Vitamin B5)25 mg (500%)25 mg (500%)
Riboflavin8 mg (615%)8 mg (615%)
Thiamin6 mg (500%)6 mg (500%)
Iron54 mg (300%)54 mg (300%)
Choline12 mg (2%)12 mg (2%)
Glycine200 mg200 mg

Amounts are per serving as DSLD gives them: Ferronyl Iron, 2 tablets; Ferro-C, 2 tablets. Current labels entered August 2020 and February 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

  • Ferronyl IronDouglas Laboratories: every row against all products listing it
  • Ferro-CDouglas Laboratories: every row against all products listing it