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Once desired outcomes are achieved, maintenance sessions every 1 to 2 months help sustain the results long term
Last clinically reviewed: 31 July 2026 Clinical information sources NICE NG239 Vitamin B12 deficiency in over 16s: diagnosis and management NHS Vitamin B12 or folate deficiency anaemia NHS Diagnosis NHS Treatment MHRA Vitamin B12 and cobalt allergy advice This page provides general information about the pharmacy service and does not replace personalised advice from a pharmacist, GP or other healthcare professional
Follow-up Repeat metabolic markers after 8-12 weeks if the protocol is being continued or adjusted
How often should I give my cat B12
Press the plunger slowly and steadily until its fully down
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