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Studies show that only 1-5% of oral B12 actually reaches your bloodstream, particularly in individuals with absorption issues
When Oral Might Make Sense Some individuals have strong aversions to self-injection that no amount of education will overcome
This is a gap in the literature
There is a catch, though
This vitamin is key for making red blood cells, nerve function, and DNA
They bypass potential absorption problems in the gut, ensuring more effective delivery of the vitamin into the bloodstream
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