Comparison

Calcium Citrate With Vitamin D3 and Highly Absorbable Calcium Citrate +D Bonus Size

Calcium Citrate With Vitamin D3 (Vitamer Laboratories) lists 2 distinct ingredients and Highly Absorbable Calcium Citrate +D Bonus Size (21st Century) 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.

Amount per serving (and % of the Daily Value)
IngredientCalcium Citrate With Vitamin D3Highly Absorbable Calcium Citrate +D Bonus Size
Calcium630 mg (48%)630 mg (48%)
Vitamin D10 mcg (50%)10 mcg (50%)

Amounts are per serving as DSLD gives them: Calcium Citrate With Vitamin D3, 2 tablets; Highly Absorbable Calcium Citrate +D Bonus Size, 2 caplets. Current labels entered July 2013 and August 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own