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Further investigation is needed to understand the underlying mechanisms
Another reason might be purely to help you lose weight and burn fat more quickly
Vitamin B12 benefits: Fight fatigue, memory loss, and boost energy
When interpreted with your healthcare provider, this data can highlight whether B12 supplementationinjectable or oralaligns with your genetic profile and whether additional micronutrient support is warranted
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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