Comparison
Intrinsi B12-Folate and B-12 Intrinsic Factor
Intrinsi B12-Folate (Metagenics) lists 3 distinct ingredients and B-12 Intrinsic Factor (Progressive Professional from Progressive Laboratories) 4 (rows of one ingredient counted once); 3 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 0.85.
| Ingredient | Intrinsi B12-Folate | B-12 Intrinsic Factor |
|---|---|---|
| Vitamin B12 | 500 mcg (20833%) | 500 mcg (20833%) |
| Folate | 1,330 mcg DFE (333%) | 800 mcg |
| Intrinsic Factor | 20 mg | 20 mg |
| Biotin | 300 mcg (1000%) |
Amounts are per serving as DSLD gives them: Intrinsi B12-Folate, 1 tablet; B-12 Intrinsic Factor, 1 capsule. Current labels entered August 2023 and April 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Intrinsi B12-FolateMetagenics: every row against all products listing it
- B-12 Intrinsic FactorProgressive Professional from Progressive Laboratories: every row against all products listing it