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They must utilize tools and adhere to proper storage practices and the manufacturer's recommended protocols for preparation and delivery
Depending on the individual, they start working within 48 to 72 hours of the first dose, but they might take three months to completely correct a B12 deficiency
The prevalent causes of vitamin B 12 deficiency are (1) an autoimmune condition known as pernicious anemia, and (2) a disorder called food-bound vitamin B 12 malabsorption
Some patients require a short course to correct deficiency, while others may benefit from maintenance injections over time
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