20/02/2026
🧠 Vitamin B12 plays a key role in the proper function of the nervous system, the formation of red blood cells, and DNA synthesis.
Its deficiency does not affect energy levels alone—it can also have significant neurological consequences.
🔍 How B12 deficiency affects the nervous system
Vitamin B12 is essential for maintaining myelin, the protective sheath that surrounds nerves.
When B12 levels are low, nerve conduction may be disrupted, causing symptoms that often develop gradually.
Common neurological manifestations include:
🔹 Numbness or tingling in the extremities
🔹 Balance disturbances
🔹 Difficulty concentrating or memory problems
🔹 Changes in mood
In more advanced cases, prolonged deficiency may lead to more serious neurological complications.
🧬 Who is at increased risk?
Vitamin B12 deficiency is more commonly seen in:
🔹 Individuals following a vegetarian or strictly plant-based diet
🔹 Older adults
🔹 People with gastrointestinal conditions that affect absorption
🔹 Individuals taking certain medications long-term
🔹 During menopause
🔬 The role of laboratory testing
Measuring serum vitamin B12, and where needed additional biomarkers, helps with early detection of deficiency.
Early diagnosis is important, as some neurological damage may become irreversible if not addressed in time.
💡 Early assessment protects the nervous system
Unexplained neurological symptoms should be properly investigated, and checking vitamin B12 is a key part of this evaluation.
🔬 At MediCheck Clinical Laboratory, we provide reliable vitamin B12 testing, supporting responsible neurological and hematological assessment.
🌐 www.medichecklab.cy
📞 Geroskipou Laboratory: +357 26 933 922
📞 Pegeia Laboratory: +357 99 302 944
