Comparison

Brain/Memory with Huperzine A and Phosadyl (Lecithin)

Brain/Memory with Huperzine A (Vinco's) lists 7 distinct ingredients and Phosadyl (Lecithin) (Douglas Laboratories) 4 (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 0.46.

Amount per serving (and % of the Daily Value)
IngredientBrain/Memory with Huperzine APhosadyl (Lecithin)
Phosphatidylcholinenot disclosed420 mg
Phosphatidylinositolnot disclosed30 mg
Phosphatidylethanolaminenot disclosed100 mg
Fat (unspecified)1.4 g
Acetyl L-Carnitine350 mg
Bacopa150 mg
Huperzine100 mcg
Vinpocetine5 mg

Amounts are per serving as DSLD gives them: Brain/Memory with Huperzine A, 1 capsule; Phosadyl (Lecithin), 1 softgel. Current labels entered June 2014 and January 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own