About Vitamin B12 (Cobalamin)
Supports nerve function and red blood cells. Category: Vitamins, Subcategory: Water-Soluble Vitamin. Default unit: mcg
Key Information
Compare All Forms
Compare different forms of Vitamin B12 (Cobalamin) by bioavailability, conversion rates, and active ingredient content:
| Form | Tier | Steps |
Vitamin B12 Activity (mcg) |
Bioavailability | Action |
|---|---|---|---|---|---|
| Vitamin B12 (Methylcobalamin) | Tier 1 | 0 | — | High bioavailability form. Body-ready, bypasses conversion steps. Maximum absorption, lowest waste. | View → |