Comparison

Flush-Free Niacin (Inositol Hexaniacinate) 500 mg and Flush Free Niacin 500 mg

Flush-Free Niacin (Inositol Hexaniacinate) 500 mg (Swanson Ultra) lists 1 distinct ingredients and Flush Free Niacin 500 mg (Swanson) 1 (rows of one ingredient counted once); 1 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	Flush-Free Niacin (Inositol Hexaniacinate) 500 mg	Flush Free Niacin 500 mg
Inositol nicotinate	500 mg	500 mg

Amounts are per serving as DSLD gives them: Flush-Free Niacin (Inositol Hexaniacinate) 500 mg, 1 capsule; Flush Free Niacin 500 mg, 1 capsule. Current labels entered September 2018 and June 2019. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

Flush-Free Niacin (Inositol Hexaniacinate) 500 mgSwanson Ultra: every row against all products listing it
Flush Free Niacin 500 mgSwanson: every row against all products listing it