Comparison

Grapefruit Pectin 500 mg and Grapefruit Pectin 1000 mg

Grapefruit Pectin 500 mg (NOW) lists 1 distinct ingredients and Grapefruit Pectin 1000 mg (The Vitamin Shoppe) 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)
IngredientGrapefruit Pectin 500 mgGrapefruit Pectin 1000 mg
Pectin1,000 mg1,000 mg

Amounts are per serving as DSLD gives them: Grapefruit Pectin 500 mg, 2 vegetarian capsules; Grapefruit Pectin 1000 mg, 1 tablet. Current labels entered October 2012 and April 2014. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own