Comparison

B-100 Complex and Sustained Release B-100

B-100 Complex (Best Naturals) lists 11 distinct ingredients and Sustained Release B-100 (NOW) 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-100 ComplexSustained Release B-100
Vitamin B6100 mg (5882%)100 mg (5882%)
Vitamin B12100 mcg (4167%)100 mcg (4167%)
Niacin100 mg (625%)100 mg (625%)
Folate666.7 mcg DFE (167%)667 mcg DFE (167%)
Pantothenic Acid (Vitamin B5)100 mg (2000%)100 mg (2000%)
Riboflavin100 mg (7692%)100 mg (7692%)
Thiamin100 mg (8333%)100 mg (8333%)
Biotin100 mcg (333%)100 mcg (333%)
Choline10 mg (2%)35 mg (6%)
Inositol100 mg100 mg
PABA10 mg10 mg

Amounts are per serving as DSLD gives them: B-100 Complex, 1 tablet; Sustained Release B-100, 1 tablet. Current labels entered June 2022 and March 2017. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own