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vitamin b12 injections leicester Vitamin B12 Injections in Fort
Description
Stomach acid and pepsin are required to free food-bound B12, which then binds to salivary R-proteins

239,240 Other studies have found no association

This includes those with conditions like pernicious anemia, certain gastrointestinal disorders, or age-related absorption issues

doi: 10.1210/jc.2017-01210 52 HjelholtAJCharidemouEGriffinJLPedersenSBGudiksenAPilegaardHet al
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