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Whole grains, leafy greens, fruits, nuts, and vegetables provide many of the B vitaminsexcept B12, which comes mainly from foods like eggs, dairy, poultry, fish, and other animal products

After a single hydroxocobalamin injection, therapeutic levels can be maintained for approximately 8 to 12 weeks in most patients, which aligns with the standard maintenance schedule of injections every 2-3 months recommended in the British National Formulary (BNF)

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Detailed Certificates of Analysis (CoA) are available to support experimental reproducibility and confirm molecular weight and purity