Comparison
B-100 Complex and Complex B-100
B-100 Complex (21st Century) lists 9 distinct ingredients and Complex B-100 (21st Century) 9 (rows of one ingredient counted once); 9 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.
| Ingredient | B-100 Complex | Complex B-100 |
|---|---|---|
| Calcium | 124 mg (10%) | 124 mg (10%) |
| Vitamin B6 | 100 mg (5882%) | 100 mg (5882%) |
| Vitamin B12 | 100 mcg (4167%) | 100 mcg (4167%) |
| Niacin | 100 mg (625%) | 100 mg (625%) |
| Folate | 667 mcg DFE (167%) | 400 mcg |
| Pantothenic Acid (Vitamin B5) | 100 mg (2000%) | 100 mg (2000%) |
| Riboflavin | 100 mg (7692%) | 100 mg (7692%) |
| Thiamin | 100 mg (8333%) | 100 mg (8333%) |
| Biotin | 100 mcg (333%) | 100 mcg (333%) |
Amounts are per serving as DSLD gives them: B-100 Complex, 1 tablet; Complex B-100, 1 caplet. Current labels entered July 2025 and July 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- B-100 Complex21st Century: every row against all products listing it
- Complex B-10021st Century: every row against all products listing it