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Phasing and lifestyle inputs are covered in Supporting Factors below
People with low B12 sometimes experience irritability, sadness, or brain fog
Duration The process takes 510 minutes total
It is important to distinguish between excessive supplementation and pathologically elevated B12 levels, which may indicate underlying haematological disorders, liver disease, or renal impairment rather than true overdose
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When treating with supplements, repeat blood testing of vitamin B12 and folate levels is done to monitor and confirm adequate treatment
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