Comparison

Whole Grape Extract and Resveratrol 100 mg

Whole Grape Extract (Life Extension) lists 4 distinct ingredients and Resveratrol 100 mg (tnvitamins) 3 (rows of one ingredient counted once); 3 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 0.84.

Amount per serving (and % of the Daily Value)
IngredientWhole Grape ExtractResveratrol 100 mg
Vitamin C100 mg (111%)10 mg (11%)
Grapenot disclosed2 mg
Resveratrol25 mg100 mg
Calcium10 mg (under 1%)

Amounts are per serving as DSLD gives them: Whole Grape Extract, 1 vegetarian capsule; Resveratrol 100 mg, 1 capsule. Current labels entered September 2016 and April 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own