Comparison

C 500 mg & E 400 IU and Vitamin C & E

C 500 mg & E 400 IU (Spring Valley) lists 3 distinct ingredients and Vitamin C & E (Nature's Bounty) 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)
IngredientC 500 mg & E 400 IUVitamin C & E
Vitamin C500 mg (556%)500 mg (556%)
Vitamin E400 IU400 IU
Rose (unspecified)20 mg20 mg

Amounts are per serving as DSLD gives them: C 500 mg & E 400 IU, 1 softgel; Vitamin C & E, 1 softgel. Current labels entered August 2012 and January 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own