vitamin
Vitamin B12
TL;DR
Water-soluble vitamin (cobalamin) containing cobalt, essential for DNA synthesis, neurological function, and red blood cell formation..
Overview
Water-soluble vitamin (cobalamin) containing cobalt, essential for DNA synthesis, neurological function, and red blood cell formation.
90 / 565
products in our database contain Vitamin B12
Source · MoodStack database
Compound forms
Vitamin B12 comes in several molecular forms. Each absorbs and acts differently.
Adenosylcobalamin
Adenosylcobalamin
Bioavailability
50%
Typical dose
1000–2000 mcg
Cyanocobalamin
Cyanocobalamin
Bioavailability
40%
Typical dose
1000–2000 mcg
Hydroxycobalamin
Hydroxycobalamin
Bioavailability
60%
Typical dose
1000–2000 mcg
Methylcobalamin
Methylcobalamin
Bioavailability
70%
Typical dose
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Benefits
- Essential for nerve function and myelin synthesis
- Required for red blood cell formation
- Important for DNA synthesis
- Supports energy metabolism
- May improve mood and cognitive function
Dose guide
Common dose
2.4 mcg daily
Typical range
2–1000 mcg
Based on 90 products in our database.
Products with Vitamin B12
Transparent Labs BULK Pre-Workout
Quick Dissolve B-12 5000 mcg
Methyl B-12 Cherry 5000 mcg
Transparent Labs Cognition Nootropic
Brain Drive
Transparent Labs BULK Black Pre-Workout
Longevity
Transparent Labs Multivitamin
Transparent Labs Dopamine+
Multi for Him Tablets
Interactions
inhibits. High-dose vitamin C (>500mg) may degrade B12 in the GI tract
synergistic. B12 and folate are interdependent in methionine synthase reaction; deficiency in one masks the other
inhibits. Metformin reduces B12 absorption by 10-30% via calcium-dependent mechanism in ileum
inhibits. Proton pump inhibitors reduce stomach acid needed for B12 release from food proteins
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Medical disclaimer: This content is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before starting any supplement regimen.