such as methylmalonic acid may help clarify whether a deficiency is present.
Importantly, a person can experience neurological symptoms even without obvious anemia. A normal-looking blood count does not always rule out B12 deficiency when symptoms or risk factors suggest it.
Avoid taking high-dose supplements as a substitute for diagnosis, particularly if symptoms are progressing. Supplements may be appropriate, but the right treatment depends on the cause and severity of the deficiency.
Can Vitamin B12 Deficiency Be Treated?
Yes. Most cases can be treated effectively when identified, using oral supplements,
