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Consider intramuscular vitamin B 12 injections instead of oral replacement for suspected or confirmed vitamin B 12 deficiency caused by diet if: The person has another condition that may deteriorate rapidly and have a major effect on their quality of life (for example, a neurological or hematological condition such as ataxia or anemia)
It is subtle
Your body does not make vitamin B12 on its own, so you have to get it from outside sources
Choline is used to build cell membranes, maintain healthy liver and muscle function, and produce brain chemicals that regulate mood and memory
Some people dont produce enough intrinsic factors, and they also can become deficient
Patients experiencing persistent gastrointestinal adverse effects may benefit from slower titration schedules or maintaining lower doses for longer periods before attempting escalation
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