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Intramuscular injection provides a reliable and clinically effective route for restoring and maintaining adequate levels
Because B12 levels arent checked during routine blood work, a deficiency can go undetected for years, Dr
The lack of information is because of insufficient human clinical trials
As we age, our bodies can become less efficient at absorbing vitamin B12 from food, increasing the risk of deficiency
What Affects How Quickly B12 Works Several factors influence the speed and effectiveness of B12 treatment, making individual responses highly variable
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