Comparison

Controlled Release C-600 Formula with Rose Hips and Buffered Vitamin C 500 mg

Controlled Release C-600 Formula with Rose Hips (Altrum) lists 6 distinct ingredients and Buffered Vitamin C 500 mg (Schiff) 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 0.39.

Amount per serving (and % of the Daily Value)
IngredientControlled Release C-600 Formula with Rose HipsBuffered Vitamin C 500 mg
Vitamin C600 mg (667%)500 mg (556%)
Calcium50 mg (4%)31 mg (2%)
Dog Rose25 mg25 mg
Fiber0.01 g
Silicon2.3 mg
Cellulose0.15 g

Amounts are per serving as DSLD gives them: Controlled Release C-600 Formula with Rose Hips, 1 tablet; Buffered Vitamin C 500 mg, 1 tablet. Current labels entered January 2013 and October 2016. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own