Expert Consensus Score

B12

3.4

Moderate Consensus

out of 5

Based on 40 videos across 5 experts · Updated 2026-03-19

Expert Positions

Andrew Huberman

Recommends

Peter Attia

Recommends

Rhonda Patrick

Recommends

Bryan Johnson

No Direct Coverage

Mark Hyman

Strongly Recommends

4 of 5 experts recommend B12. Consensus score: 3.4/5.

Dosage

Individualized based on blood levels and genetic status; methylcobalamin form preferred for those with MTHFR variants

Form

Methylcobalamin (preferred); cyanocobalamin; sublingual or oral

Timing

With meals; part of methylation support stack

* Based on summary-level data. Full report with exact citations coming soon.

We're building a detailed consensus report with video citations, expert deep dives, and dosage protocols. Get notified when it's ready.