Comparison

B-Complex Big 150 and Big 150

B-Complex Big 150 (GNC) lists 11 distinct ingredients and Big 150 (GNC) 11 (rows of one ingredient counted once); 11 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)
IngredientB-Complex Big 150Big 150
Vitamin B6150 mg (8824%)150 mg (8824%)
Vitamin B12150 mcg (6250%)150 mcg (6250%)
Niacin150 mg (938%)150 mg (938%)
Folate400 mcg400 mcg
Pantothenic Acid (Vitamin B5)150 mg (3000%)150 mg (3000%)
Riboflavin150 mg (11538%)150 mg (11538%)
Thiamin150 mg (12500%)150 mg (12500%)
Biotin150 mcg (500%)150 mcg (500%)
Choline150 mg (27%)150 mg (27%)
Inositol0.15 mg0.15 mg
PABA150 mg150 mg

Amounts are per serving as DSLD gives them: B-Complex Big 150, 1 caplet; Big 150, 1 caplet. Current labels entered May 2017 and October 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own