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Vitamins
Vitamin B12 (Cobalamin)
Essential for DNA synthesis, red blood cell formation, myelin production, homocysteine metabolism
Gabriel Score
95/ 100Excellent
CategoryVitamins
Applications6 conditions
FormsCyanocobalamin (synthetic), methylcobalamin (active), adenosylcobalamin, hydroxocobalamin
How it works
Essential for DNA synthesis, red blood cell formation, myelin production, homocysteine metabolism
Typical Dosage
1000-5000mcg/day (deficiency), 500-1000mcg/day (maintenance)
Used for
Pernicious anemiaNeuropathyFatigueDepressionCognitive declineVegetarian/vegan
Practical Guide
Available Forms
Cyanocobalamin (synthetic), methylcobalamin (active), adenosylcobalamin, hydroxocobalamin
Natural Food Sources
- •Meat
- •Fish
- •Eggs
- •Dairy
- •Fortified foods
Dosing should be individualized. Consult a qualified healthcare practitioner.
The Science
Evidence Base
Excellent95/100
Methylcobalamin best for neurological support; sublingual/injection bypass absorption issues; vegans at high risk
Works Well With
FolateB6Betaine (TMG)Magnesium
Safety Profile
Interactions
- Depleted by metformin, PPIs, H2 blockers
- Chloramphenicol antagonizes
Contraindications
- Leber's optic atrophy (cyanocobalamin)
Trusted Brands
ThornePure EncapsulationsJarrow
Build Your Protocol
Work with a practitioner to design a personalized supplement protocol.
Find a PractitionerCategoryVitamins
Applications6
Gabriel Score95/100
Educational purposes only. Consult a qualified healthcare provider before starting any supplement protocol.