Comparison

Flush Free Niacin 1000 mg and Extra Strength Flush-Free Niacin 750 mg

Flush Free Niacin 1000 mg (Vitamin World) lists 2 distinct ingredients and Extra Strength Flush-Free Niacin 750 mg (Mason Natural) 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)
IngredientFlush Free Niacin 1000 mgExtra Strength Flush-Free Niacin 750 mg
Niacin800 mg (5000%)750 mg (4688%)
Inositol200 mg211.5 mg

Amounts are per serving as DSLD gives them: Flush Free Niacin 1000 mg, 1 capsule; Extra Strength Flush-Free Niacin 750 mg, 1 capsule. Current labels entered April 2013 and October 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own