Comparison

B-Complex with Metafolin L-5-MTHF and B-Complex Plus

B-Complex with Metafolin L-5-MTHF (Douglas Laboratories) lists 8 distinct ingredients and B-Complex Plus (Pure Encapsulations) 8 (rows of one ingredient counted once); 8 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 with Metafolin L-5-MTHFB-Complex Plus
Vitamin B616.7 mg (982%)16.7 mg (982%)
Vitamin B12400 mcg (16667%)400 mcg (16667%)
Niacin108 mg (675%)108 mg (675%)
Folate667 mcg DFE (167%)667 mcg DFE (167%)
Pantothenic Acid (Vitamin B5)100 mg (2000%)100 mg (2000%)
Riboflavin12.7 mg (977%)12.7 mg (977%)
Thiamin100 mg (8333%)100 mg (8333%)
Biotin400 mcg (1333%)400 mcg (1333%)

Amounts are per serving as DSLD gives them: B-Complex with Metafolin L-5-MTHF, 1 vegetarian capsule; B-Complex Plus, 1 capsule. Current labels entered September 2022 and November 2023. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own