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These injections can be more rapidly absorbed by the body's bloodstream compared to oral supplements
Humidity: Keep the original desiccant-sealed container closed when not in use
When deficiency is suspected based on clinical features (fatigue, paraesthesia, cognitive changes) or risk factors (vegan diet, gastric surgery, certain medications), serum B12 measurement guides appropriate intervention
Theres also no need to take extra oral vitamin supplements unless directed
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