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A: Nerve pain relief: May begin within a few days

Vitamin B12 (cobalamin) is an essential nutrient involved in energy metabolism, nerve function, and red blood cell production

In March 2025 it will be a year since the Nice Guideline on B12 Deficiency in over 16s was published

These symptoms typically resolve within 24 hours.* Not for Everyone: This therapy is not recommended for individuals allergic to cobalamin (B12), those with liver disease, or those currently taking medications that interact with methyl donors

A B12 injection can help replenish the body's B12 levels in such cases directly and efficiently

Guideline 4: Laboratory Monitoring and Dose Adjustments Laboratory monitoring is key in checking how well B12 treatment works