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Common signs include: Fatigue and weakness Numbness or tingling in the hands and feet Difficulty walking or balance problems Mood changes, such as depression or anxiety Cognitive difficulties, including memory loss or confusion If not treated, a B12 deficiency can cause serious problems

Regular treatment under medical supervision helps restore vitamin B12 levels and supports long-term neurological and hematological health

Additionally, individuals with certain medical conditions like Leber's disease, low potassium levels, optic nerve disease, or liver/kidney issues should inform their healthcare provider before starting treatment

Vitamin deficiencies, especially B12, are common in adults and children