Comparison

No Flush Niacin 500 mg and Niacin (Inositol Hexanicotinate) 500 mg

No Flush Niacin 500 mg (Windmill Natural Vitamins) lists 2 distinct ingredients and Niacin (Inositol Hexanicotinate) 500 mg (Windmill Natural Vitamins) 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)
IngredientNo Flush Niacin 500 mgNiacin (Inositol Hexanicotinate) 500 mg
Calcium150 mg (12%)150 mg (12%)
Niacin500 mg (3125%)500 mg (3125%)

Amounts are per serving as DSLD gives them: No Flush Niacin 500 mg, 1 tablet; Niacin (Inositol Hexanicotinate) 500 mg, 1 tablet. Current labels entered July 2024 and July 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own