Comparison

B50 Complex and Mega B-50 Vitamin B Complex Plus 1 mg Folic Acid

B50 Complex (Webber Naturals) lists 11 distinct ingredients and Mega B-50 Vitamin B Complex Plus 1 mg Folic Acid (Quest) 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)
IngredientB50 ComplexMega B-50 Vitamin B Complex Plus 1 mg Folic Acid
Vitamin B650 mg (2941%)50 mg (2941%)
Vitamin B1250 mcg (2083%)50 mcg (2083%)
Niacin50 mg (313%)50 mg (313%)
Folate1,000 mcg1,000 mcg
Pantothenic Acid (Vitamin B5)50 mg (1000%)50 mg (1000%)
Riboflavin50 mg (3846%)50 mg (3846%)
Thiamin50 mg (4167%)50 mg (4167%)
Biotin60 mcg (200%)50 mcg (167%)
Choline50 mg (9%)50 mg (9%)
Inositol50 mg50 mg
PABA50 mg50 mg

Amounts are per serving as DSLD gives them: B50 Complex, 1 capsule; Mega B-50 Vitamin B Complex Plus 1 mg Folic Acid, 1 tablet. Current labels entered May 2014 and July 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own