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Vegans and vegetarians may require supplementation, as plant-based foods contain negligible B12 unless fortified
Oral B12 supplements often contain higher levels than the recommended daily allowance (RDA)
However, we recommend consulting a healthcare professional before starting any new supplement regimen
Thus far, no data are available on the effectiveness of vitamin B12 nasal drops on serum levels or on the patient response to this treatment
One of the most important takeaways from the analysis, Dr
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