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We will discuss concerns you have, particularly about difficulty losing weight or persistent feelings of low energy or sluggishness

Other factors include: Underlying cause of deficiency : Pernicious anaemia, malabsorption disorders, or dietary insufficiency may affect treatment response Medication use : Metformin and proton pump inhibitors can reduce gastrointestinal B12 absorption (though this does not affect the efficacy of intramuscular injections) Individual variation : Differences in how efficiently your body utilises the injected vitamin Adherence to treatment schedule : Missing injections or delaying maintenance doses can slow recovery Discussing these factors with your healthcare provider helps set realistic expectations for your treatment journey

However, high B12 levels are more often linked to liver or kidney problems, not B12 toxicity

While vitamin B12 has the power to lower the risk of heart disease, it is also linked to the fact that individuals with healthy levels of Vitamin B12 are more likely to spend time outdoors and exercise