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Vitamin B12 Injection Dosage The dosage of vitamin B12 injections can vary, but common doses range from 1000 to 2000 micrograms per injection

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Common Causes of B12 Deficiency Several factors contribute to vitamin B12 deficiency: Recognizing Deficiency Symptoms Vitamin B12 deficiency manifests through various symptoms that can significantly impact quality of life: These symptoms often develop slowly, leading many individuals to attribute them to aging or stress rather than nutritional deficiency

Clinicians and patients should therefore be aware that HbA1c is not always a reliable standalone marker when nutritional deficiencies or haematological conditions are present