Comparison

B-Complex With Quatrefolic and Coenzyme-B B-50 Complex

B-Complex With Quatrefolic (Patient One MediNutritionals) lists 10 distinct ingredients and Coenzyme-B B-50 Complex (Vitabase) 12 (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 0.84.

Amount per serving (and % of the Daily Value)
IngredientB-Complex With QuatrefolicCoenzyme-B B-50 Complex
Vitamin B625 mg (1471%)55 mg (3235%)
Vitamin B12250 mcg (10417%)100 mcg (4167%)
Niacin75 mg (469%)50 mg (313%)
Folate400 mcg800 mcg
Riboflavin25 mg (1923%)55 mg (4231%)
Thiamin100 mg (8333%)55 mg (4583%)
Biotin300 mcg (1000%)200 mcg (667%)
Choline50 mg (9%)25 mg (5%)
PABA25 mg25 mg
Pantethine25 mg5 mg
Pantothenic Acid (Vitamin B5)50 mg (1000%)
Inositol25 mg

Amounts are per serving as DSLD gives them: B-Complex With Quatrefolic, 1 capsule; Coenzyme-B B-50 Complex, 1 vegetarian capsule. Current labels entered July 2015 and March 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own