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Doctors can adjust this based on how well you respond and what you need
B12 injections generally work faster and suit people with absorption problems or severe deficiency, while supplements are a suitable, lower-cost option for mild, diet-related shortfalls
It can help avoid type 2 diabetes, several cardiovascular diseases, some vision and kidney disorders and neurodegenerative diseases like Alzheimers disease
Cells characterized by rapid division (epithelial cells, bone marrow, myeloid cells) appear to have the greatest requirement for methylcobalamin
Consequences of B12 deficiency range from fatigue, vision loss and constipation to neurological problems, psychiatric problems and certain types of anemia
Other good sources include salmon with 3 mcg for 3 ounces and tuna with 2.5 mcg for 3 ounces [1]
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