Nervous system function: B12 supports the myelin sheath, the protective layer that insulates your nerves and helps signals travel quickly between your brain and body
Most people start with 1000 mcg (1 mg) given in a muscle or under the skin
Avoid antacids and calcium supplements around meal-times
This varies from person to person, but many begin noticing increased energy levels within days, while some may observe weight loss results within weeks after consistent use
The rash might not be anything to worry about, but it could be a sign of a serious allergic reaction, especially if combined with difficulty breathing
Use within 28 days of reconstitution, and discard the vial if the solution becomes cloudy, loses its blue tint, or develops particles