Comparison

B-Complex and B-Complex + Energy

B-Complex (GNC) lists 10 distinct ingredients and B-Complex + Energy (GNC) 10 (rows of one ingredient counted once); 10 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-ComplexB-Complex + Energy
Vitamin B650 mg (2941%)0.05 mg (3%)
Vitamin B12100 mcg (4167%)100 mcg (4167%)
Niacin25 mg (156%)25 mg (156%)
Folate333 mcg DFE (83%)200 mcg
Pantothenic Acid (Vitamin B5)50 mg (1000%)50 mg (1000%)
Riboflavin50 mg (3846%)50 mg (3846%)
Thiamin50 mg (4167%)50 mg (4167%)
Biotin100 mcg (333%)100 mcg (333%)
Choline25 mg (5%)25 mg (5%)
Caffeine100 mg100 mg

Amounts are per serving as DSLD gives them: B-Complex, 1 capsule; B-Complex + Energy, 1 capsule. Current labels entered June 2020 and May 2017. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own