Comparison

NeuroSilk with Brain Factor-7 and Extra Strength Cognium

NeuroSilk with Brain Factor-7 (Swanson) lists 1 distinct ingredients and Extra Strength Cognium (Natrol) 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)
IngredientNeuroSilk with Brain Factor-7Extra Strength Cognium
Silk protein200 mg200 mg

Amounts are per serving as DSLD gives them: NeuroSilk with Brain Factor-7, 1 capsule; Extra Strength Cognium, 1 tablet. Current labels entered April 2019 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