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Healthcare providers can adjust the dose to fit each patients needs, says a top nutrition expert
Treatments are usually administered over several weeks to gradually restore NAD+ levels while supporting metabolic balance
Severe allergic reactions (anaphylaxis) are medical emergencies
People with digestive disorders, such as Crohns disease or celiac disease, may also have difficulty absorbing B12 and may benefit from B12 injections
Other than that, low vitamin B12 levels are more common in those who are: Older than 65 years of age
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