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This knowledge also explains why oral B12 supplementation may be ineffective in intrinsic factor deficiency, requiring alternative routes like sublingual, nasal, or injectable B12 to bypass the intrinsic factor-dependent absorption pathway
Upper Saddle River, NJ: Pearson Education Inc
Vitamin B12 shots are ideal for individuals who have dietary restrictions, such as vegans or vegetarians, experience digestive issues that affect nutrient absorption, or suffer from conditions like pernicious anemia
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Example calculation: (15 30) 100 = 50 units
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