Comparison
Ultra B-100 Complex and Sustained Release B Complex 50
Ultra B-100 Complex (Mason Natural) lists 16 distinct ingredients and Sustained Release B Complex 50 (Windmill Natural Vitamins) 17 (rows of one ingredient counted once); 16 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 0.90.
| Ingredient | Ultra B-100 Complex | Sustained Release B Complex 50 |
|---|---|---|
| Calcium | 77 mg (6%) | 100 mg (8%) |
| Vitamin B6 | 100 mg (5882%) | 50 mg (2941%) |
| Vitamin B12 | 100 mcg (4167%) | 50 mcg (2083%) |
| Niacin | 100 mg (625%) | 50 mg (313%) |
| Folate | 667 mcg DFE (167%) | 170 mcg DFE (43%) |
| Pantothenic Acid (Vitamin B5) | 100 mg (2000%) | 50 mg (1000%) |
| Riboflavin | 100 mg (7692%) | 50 mg (3846%) |
| Thiamin | 100 mg (8333%) | 50 mg (4167%) |
| Biotin | 100 mcg (333%) | 50 mcg (167%) |
| Choline | 0.1 mg (under 1%) | 50 mg (9%) |
| Inositol | 0.1 mg | 50 mg |
| Alfalfa | not disclosed | not disclosed |
| PABA | 0.1 mg | 30 mg |
| Parsley | not disclosed | not disclosed |
| Lecithin | not disclosed | not disclosed |
| Watercress | not disclosed | not disclosed |
| Rice Bran | not disclosed |
Amounts are per serving as DSLD gives them: Ultra B-100 Complex, 1 tablet; Sustained Release B Complex 50, 1 tablet. Current labels entered April 2021 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
- Ultra B-100 ComplexMason Natural: every row against all products listing it
- Sustained Release B Complex 50Windmill Natural Vitamins: every row against all products listing it