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Transcriptional control of adipocyte formation
A deficiency in B12 can lead to fatigue, anemia, and nerve damage
Smoothes lines and wrinkles
Vitamin B12 may interact with different medications, so it is important to inform your doctor of all other medications, whether they are prescribed or over the counter, to be safe
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
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