Overview
- Energy + anti-fatigue
- Methylation support
- Nerve regeneration / neuropathy support
- Mood support (methylation-dependent)
- Pairs with B-complex for full mitochondrial support
Intramuscular injection — deltoid most common
Drug class: vitamin cofactor
Clinical Dosing
| Phase | Dose |
|---|---|
| Loading (weeks 1-4) | 1000mcg IM weekly |
| Maintenance | 1000mcg IM every 2-4 weeks |
Safety Profile
- • Bright pink-red urine (transient)
- • Mild flushing
- • Acne flare in some methylation phenotypes
- • Rare hypersensitivity
- • Cobalt allergy
- • Leber's hereditary optic neuropathy
- • Polycythemia vera
Frequently asked questions
Ready to build a protocol with Methylcobalamin (B12)?
LIA, our clinical reasoning engine, will build a personalized protocol — dosing, cadence, cycling, and safety checks — tailored to your goals and intake.
You’ll be asked to sign in first. Free tier includes the chat preview.
Information on this page is for educational purposes only and is not medical advice. Peptides should only be used under the supervision of a qualified healthcare provider.