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These include: Neurological symptoms : tingling or numbness in hands and feet (paraesthesia), difficulty walking, balance problems, memory difficulties, or mood changes Haematological signs : ongoing fatigue, weakness, pale skin, or shortness of breath suggesting anaemia hasn't resolved Glossitis : a sore, red tongue that hasn't improved Cognitive issues : continued difficulty concentrating or memory problems These symptoms, particularly progressive neurological deficits or severe anaemia with cardiorespiratory compromise, may require urgent medical attention

Severity of Deficiency The level of B12 deficiency affects the dose needed

Understanding refrigeration requirements , how long tirzepatide lasts in the fridge , and expiration considerations prevents waste and ensures consistent potency

B12 also plays a crucial role in maintaining the protective layer around nerves, promoting nerve health, and preventing anemia by supporting red blood cell production

The traditional approach has been: But more recent evidence and updated practices across UK hospitals show that oral B12 works for many patients , if taken in the right dose and form