Comparison

Reacted Calcium and Chelated Calcium

Reacted Calcium (Ortho Molecular Products) lists 3 distinct ingredients and Chelated Calcium (NHC Natural Healthy Concepts) 3 (rows of one ingredient counted once); 3 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)
IngredientReacted CalciumChelated Calcium
Calcium500 mg (38%)500 mg (38%)
Vitamin D10 mcg (50%)10 mcg (50%)
Phosphorus143 mg (11%)143 mg (11%)

Amounts are per serving as DSLD gives them: Reacted Calcium, 2 capsules; Chelated Calcium, 2 capsules. Current labels entered February 2018 and October 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

  • Reacted CalciumOrtho Molecular Products: every row against all products listing it
  • Chelated CalciumNHC Natural Healthy Concepts: every row against all products listing it