Comparison

B-Complex Active Essentials and B-Complex Active Essentials with Quatrefolic

B-Complex Active Essentials (Patient One MediNutritionals) lists 10 distinct ingredients and B-Complex Active Essentials with Quatrefolic (Patient One MediNutritionals) 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-Complex Active EssentialsB-Complex Active Essentials with Quatrefolic
Vitamin B625 mg (1471%)25 mg (1471%)
Vitamin B12400 mcg (16667%)400 mcg (16667%)
Niacin75 mg (469%)75 mg (469%)
Folate400 mcg400 mcg
Pantothenic Acid (Vitamin B5)100 mg (2000%)100 mg (2000%)
Riboflavin25 mg (1923%)25 mg (1923%)
Thiamin100 mg (8333%)100 mg (8333%)
Biotin300 mcg (1000%)300 mcg (1000%)
Choline50 mg (9%)50 mg (9%)
PABA25 mg25 mg

Amounts are per serving as DSLD gives them: B-Complex Active Essentials, 1 capsule; B-Complex Active Essentials with Quatrefolic, 1 capsule. Current labels entered January 2017 and October 2018. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own