Comparison

Buffer-C pH Controlled 500 mg and Buffer-C pH Controlled 1000 mg

Buffer-C pH Controlled 500 mg (Country Life) lists 7 distinct ingredients and Buffer-C pH Controlled 1000 mg (Country Life) 5 (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 0.42.

Amount per serving (and % of the Daily Value)
IngredientBuffer-C pH Controlled 500 mgBuffer-C pH Controlled 1000 mg
Vitamin C500 mg (556%)1,000 mg (1111%)
Calcium50 mg (4%)101 mg (8%)
Quercetinnot disclosednot disclosed
Aloenot disclosednot disclosed
Magnesium8 mg (2%)
Acacianot disclosed
Magnesium hydroxidenot disclosed
Potassium hydroxidenot disclosed

Amounts are per serving as DSLD gives them: Buffer-C pH Controlled 500 mg, 1 capsule; Buffer-C pH Controlled 1000 mg, 1 tablet. Current labels entered July 2019 and October 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own