Higher risk individuals include those with any personal cancer history, strong hereditary cancer syndromes, multiple first-degree relatives with cancer, or those significantly behind on age-appropriate screening
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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Review the related anti-aging & longevity profiles, scan the research notes, and compare the best-fit category page before making decisions
These stories show how important it is to manage nutrients well after surgery
For instance, CJC-1295 can function over days, so once a week may work