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Started early, some patients may fully recover
For many individuals, oral B12 supplements are ineffective due to such underlying conditions as: Pernicious anemia : People with this condition lack intrinsic factor, a protein required for B12 absorption in the small intestine
Risks include: Contamination with bacteria or fungi Endotoxin (bacterial cell wall fragments) that remain even after sterilization Severe inflammatory reactions or sepsis D
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