Based on your interest in vitamin b12

Here's the full protocol
we'd build for you.

Vitamin b12 alone doesn't reach therapeutic outcomes — it needs cofactors, balancers, and amplifiers. We build it the way a functional medicine practitioner would.

BC
Reviewed by Dr. Brennan Commerford, D.C.
Doctor of Chiropractic · FormulaForge Founder · Last reviewed May 2026
Why vitamin b12 alone isn't enough

Nutrients don't work in isolation. The most effective protocols pair vitamin b12 with evidence-based cofactors that enhance absorption, balance competing pathways, and amplify therapeutic outcomes. We build it the way a functional medicine practitioner would.

Choose your formula tier

All tiers include the primary ingredient and evidence-based cofactors. More ingredients = more complete protocol.

Essential
2 ingredients
Optimal
2 ingredients
Recommended
Comprehensive
2 ingredients

Vitamin B12

Core

Primary ingredient — the foundation of this formula.

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Form: Vitamin B12
Contraindication risk: none

Dose conversion ratios are validated against peer-reviewed bioavailability data and reviewed by Dr. Brennan Commerford, D.C.

Folate (5-MTHF)

Core

High-dose folate without B12 can mask megaloblastic anemia signs of B12 deficiency.

Show dose equivalence calculation
Form: Folate (5-MTHF)
Contraindication risk: low

Dose conversion ratios are validated against peer-reviewed bioavailability data and reviewed by Dr. Brennan Commerford, D.C.

Select your formula tier

Essential
Core ingredients, foundational support
from $49/mo
2 ingredients
Get started
Most popular
Optimal
Full cofactor stack, research-backed doses
from $79/mo
2 ingredients
Get started
Comprehensive
Complete protocol with experimental inclusions
from $109/mo
2 ingredients
Get started
For healthcare practitioners

Build personalized protocols for your patients

FormulaForge for Practitioners lets you compose, review, and prescribe evidence-based supplement stacks — with full dose-safety validation built in.

Science-backed
Every ingredient sourced from peer-reviewed research
Practitioner-reviewed
Reviewed by Dr. Brennan Commerford, D.C.
No fillers
Clean forms, therapeutic doses, verified purity

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult a qualified healthcare provider before beginning any supplement regimen.