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Many patients experience B12 deficiencies due to dietary restrictions, absorption conditions, or underlying health issues leading to symptoms such as fatigue, brain fog, and low energy
Oral supplements work for many people, and injections are another reliable option, especially for those who are already symptomatic and confirmed low
cyanocobalamin has been reported to precipitate rapid optic nerve damage in individuals with this rare condition
pylori infection or antibodies to H
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