Comparison

PerfectFocus and Brain Enhancement Multi

PerfectFocus (Nutra Perfect) lists 7 distinct ingredients and Brain Enhancement Multi (Cenegenics) 8 (rows of one ingredient counted once); 5 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 0.56.

Amount per serving (and % of the Daily Value)
IngredientPerfectFocusBrain Enhancement Multi
Ginkgo60 mg120 mg
Acetyl L-Carnitine200 mg500 mg
Lecithin200 mg1,200 mg
Phosphatidylcholine200 mg420 mg
Vinpocetine40 mg10 mg
Fat (unspecified)1 g
Choline500 mg (91%)
N-Acetyl Cysteine60 mg
Phosphatidylserine100 mg
Alpha-GPC200 mg

Amounts are per serving as DSLD gives them: PerfectFocus, 2 capsules; Brain Enhancement Multi, 1 packet. Current labels entered July 2014 and July 2015. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own