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Vitamin B12 deficiencies can be caused by many factors, such as older age, gastrointestinal conditions, and vegan or vegetarian diets
This method ensures rapid absorption, especially for individuals with absorption issues
Methylcobalamin is often promoted as superior due to its 'bioactive' status, but clinical evidence supporting significantly better outcomes compared to cyanocobalamin is limited
The cyanide is converted to thiocyanate and excreted by the kidney
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