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They are particularly beneficial for vegetarians and vegans (since B12 is found primarily in animal products), older adults with reduced absorption capacity, individuals with digestive conditions such as Crohn's disease or celiac disease, and anyone who has had gastric bypass surgery
How do I measure the correct dose of Vitamin B12 injection
Conditions like pernicious anemia, for instance, require ongoing B12 injections for life due to a fundamental absorption issue
The 50100mg daily dose range was derived from rodent models where 10mg/kg bodyweight produced measurable NNMT suppression without toxicity across 12-week administration periods
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