Comparison

Buffer-C pH Controlled 1000 mg and Target-Mins Cal-Mag Mini-Tabs 500 mg/250 mg

Buffer-C pH Controlled 1000 mg (Country Life) lists 5 distinct ingredients and Target-Mins Cal-Mag Mini-Tabs 500 mg/250 mg (Country Life) 6 (rows of one ingredient counted once); 4 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 0.53.

Amount per serving (and % of the Daily Value)
IngredientBuffer-C pH Controlled 1000 mgTarget-Mins Cal-Mag Mini-Tabs 500 mg/250 mg
Vitamin C1,000 mg (1111%)50 mg (56%)
Calcium101 mg (8%)500 mg (38%)
Magnesium8 mg (2%)250 mg (60%)
Aloenot disclosed20 mg
Vitamin D2.5 mcg (13%)
Phosphorus152 mg (12%)
Quercetinnot disclosed

Amounts are per serving as DSLD gives them: Buffer-C pH Controlled 1000 mg, 1 tablet; Target-Mins Cal-Mag Mini-Tabs 500 mg/250 mg, 2 tablets. Current labels entered October 2012 and February 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own