Comparison

B-Complex Balanced B50 with Niacinamide and Balance B-50

B-Complex Balanced B50 with Niacinamide (Standard Vitamins) lists 11 distinct ingredients and Balance B-50 (Swanson Premium Brand) 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 Balanced B50 with NiacinamideBalance B-50
Vitamin B650 mg (2941%)50 mg (2941%)
Vitamin B1250 mcg (2083%)50 mcg (2083%)
Niacin50 mg (313%)50 mg (313%)
Folate100 mcg665 mcg DFE (166%)
Pantothenic Acid (Vitamin B5)50 mg (1000%)50 mg (1000%)
Riboflavin50 mg (3846%)50 mg (3846%)
Thiamin50 mg (4167%)50 mg (4167%)
Biotin50 mcg (167%)50 mcg (167%)
Choline50 mg (9%)50 mg (9%)
Inositol50 mg50 mg
PABA50 mg50 mg

Amounts are per serving as DSLD gives them: B-Complex Balanced B50 with Niacinamide, 1 capsule; Balance B-50, 1 capsule. Current labels entered May 2020 and April 2018. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own