Comparison

PhosCholine Complex and Optima C-PC

PhosCholine Complex (Genestra Brands) lists 3 distinct ingredients and Optima C-PC (Nutrasal) 2 (rows of one ingredient counted once); 2 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 0.68.

Amount per serving (and % of the Daily Value)
Ingredient	PhosCholine Complex	Optima C-PC
Curcumin	100 mg	555 mg
Phosphatidylcholine	375 mg	1,111 mg
Boswellia	50 mg

Amounts are per serving as DSLD gives them: PhosCholine Complex, 2 tablets; Optima C-PC, 3 tsp. Current labels entered January 2021 and February 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

PhosCholine ComplexGenestra Brands: every row against all products listing it
Optima C-PCNutrasal: every row against all products listing it