Comparison

Cal/Mag w/ Cofactors Powder and Natural Citrus Flavor Chewable Calcium

Cal/Mag w/ Cofactors Powder (Pure Encapsulations) lists 5 distinct ingredients and Natural Citrus Flavor Chewable Calcium (VitaCeutical Labs) 7 (rows of one ingredient counted once); 5 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 0.79.

Amount per serving (and % of the Daily Value)
IngredientCal/Mag w/ Cofactors PowderNatural Citrus Flavor Chewable Calcium
Calcium500 mg (38%)1,000 mg (77%)
Vitamin D10 mcg (50%)5 mcg (25%)
Magnesium250 mg (60%)500 mg (119%)
Boron1 mg0.4 mg
Silicon15 mg5 mg
Carbohydrate5 g
Sugar5 g

Amounts are per serving as DSLD gives them: Cal/Mag w/ Cofactors Powder, 5.25 g; Natural Citrus Flavor Chewable Calcium, 4 tablets. Current labels entered February 2019 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