Comparison

Stomach Friendly Special-C 500 mg and C-1000

Stomach Friendly Special-C 500 mg (21st Century) lists 3 distinct ingredients and C-1000 (OL Olympian Labs) 3 (rows of one ingredient counted once); 3 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)
Ingredient	Stomach Friendly Special-C 500 mg	C-1000
Vitamin C	500 mg (556%)	1,000 mg (1111%)
Flavonoid	50 mg	100 mg
Rose (unspecified)	10 mg	50 mg

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

Each product on its own

Stomach Friendly Special-C 500 mg21st Century: every row against all products listing it
C-1000OL Olympian Labs: every row against all products listing it