Best Fit Profiles
- lab-confirmed deficiency and higher-risk dietary patterns
Neurologic function and methylation support
Vitamin B12
Strong evidence supports correcting deficiency and preventing neurologic and blood-related complications when levels are low.
Evidence Level A
Evidence and Risk Labels
Evidence A/B/C reflects research maturity, and risk levels reflect monitoring needs. These labels support comparison, not diagnosis or treatment decisions.
See full scoring guideClinical Snapshot
- Effect Size
- High efficacy in deficiency correction
- Safety
- Low Risk
B12 status should be interpreted with MMA/homocysteine context when needed.
Research Dosing
This reflects common ranges and protocols used in published studies, not personal medical advice.
- Typical Daily Dose
- 250-2000 mcg (route and dose individualized)
- Timing
- Daily or weekly based on protocol
- Protocol Duration in Studies
- 8-12 weeks then lab-guided maintenance
Dose and route depend on absorption capacity and deficiency severity.