Comparison

Vitamin C with Echinacea and Vitamin C-500 mg Plus Echinacea

Vitamin C with Echinacea (Solaray) lists 2 distinct ingredients and Vitamin C-500 mg Plus Echinacea (Nature's Bounty) 2 (rows of one ingredient counted once); 2 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)
IngredientVitamin C with EchinaceaVitamin C-500 mg Plus Echinacea
Vitamin C1,000 mg (1111%)500 mg (556%)
Echinacea600 mg100 mg

Amounts are per serving as DSLD gives them: Vitamin C with Echinacea, 2 vegetarian capsules; Vitamin C-500 mg Plus Echinacea, 1 caplet. Current labels entered October 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