Comparison

Ultra Strength Antacid Calcium Carbonate 1000 mg Assorted Berry Flavors and Antacid Tablets 1000 mg Assorted Fruit

Ultra Strength Antacid Calcium Carbonate 1000 mg Assorted Berry Flavors (Kirkland Signature) lists 2 distinct ingredients and Antacid Tablets 1000 mg Assorted Fruit (CVS Pharmacy) 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)
IngredientUltra Strength Antacid Calcium Carbonate 1000 mg Assorted Berry FlavorsAntacid Tablets 1000 mg Assorted Fruit
Calcium800 mg (62%)800 mg (62%)
Sugar3 g3 g

Amounts are per serving as DSLD gives them: Ultra Strength Antacid Calcium Carbonate 1000 mg Assorted Berry Flavors, 2 tablets; Antacid Tablets 1000 mg Assorted Fruit, 2 tablets. Current labels entered October 2019 and January 2018. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own