Comparison
Sustained Release B Complex 50 and B-50
Sustained Release B Complex 50 (Windmill Natural Vitamins) lists 17 distinct ingredients and B-50 (Puritan's Pride) 16 (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 0.97.
| Ingredient | Sustained Release B Complex 50 | B-50 |
|---|---|---|
| Vitamin B6 | 50 mg (2941%) | 50 mg (2941%) |
| Vitamin B12 | 50 mcg (2083%) | 50 mcg (2083%) |
| Niacin | 50 mg (313%) | 50 mg (313%) |
| Folate | 170 mcg DFE (43%) | 100 mcg |
| Pantothenic Acid (Vitamin B5) | 50 mg (1000%) | 50 mg (1000%) |
| Riboflavin | 50 mg (3846%) | 50 mg (3846%) |
| Thiamin | 50 mg (4167%) | 50 mg (4167%) |
| Biotin | 50 mcg (167%) | 50 mcg (167%) |
| Choline | 50 mg (9%) | 50 mg (9%) |
| Inositol | 50 mg | 50 mg |
| Alfalfa | not disclosed | not disclosed |
| PABA | 30 mg | 50 mg |
| Parsley | not disclosed | not disclosed |
| Lecithin | not disclosed | not disclosed |
| Rice Bran | not disclosed | not disclosed |
| Watercress | not disclosed | not disclosed |
| Calcium | 100 mg (8%) |
Amounts are per serving as DSLD gives them: Sustained Release B Complex 50, 1 tablet; B-50, 1 tablet. Current labels entered November 2023 and December 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Sustained Release B Complex 50Windmill Natural Vitamins: every row against all products listing it
- B-50Puritan's Pride: every row against all products listing it