Which Form?
B12
3.4
Moderate
consensus
Available Forms
- Methylcobalamin (preferred)
- cyanocobalamin
- sublingual or oral
Dosage & Timing
Dosage
- Individualized based on blood levels and genetic status
- methylcobalamin form preferred for those with MTHFR variants
Timing
- With meals
- part of methylation support stack
Expert Positions
What Each Expert Says
Discusses B12 in context of mitochondrial function and mental health, noting deficiencies can cause neurological and psychiatric symptoms. References it as critical for brain health alongside folate.
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