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However, many factors can limit or even prevent proper absorption
Flavours that were previously enjoyable may seem less appealing, while certain foods can taste sweeter, saltier, blander, or leave an unusual aftertaste
As a water-soluble vitamin, B12 is crucial for the formation of red blood cells, contributing to oxygen transport and preventing anemia-related fatigue
Most people having B12 injections (intramuscular) will see an improvement in the first 24 hours, but the hematological response, including the quick production of new red blood cells, may take several days to months for a full response
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