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More energy, mental alertness, and stamina for everyday tasks plus a healthier immune system
Visible changes in body composition typically become apparent after 4-8 weeks of consistent weekly injections, combined with a healthy diet and exercise routine
This helps identify whether B12 deficiency is likely and whether there may be another explanation
Future research should prioritise long-term outcomes in high-risk groups, comparisons of physiological versus pharmacological dosages in healthy subjects, cost-effectiveness analyses, and adherence monitoring to inform clinical guidelines for the management and prevention of B12 deficiency
Injections are usually prescribed for a diagnosed deficiency, sometimes for life, as in pernicious anemia or after stomach surgery
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