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Absorption problems Even with adequate intake, absorption can be reduced by: Certain gastrointestinal conditions affecting the stomach or small intestine Some medications Age-related reduction in stomach acid (which can affect absorption) Autoimmune gastritis (often historically referred to as pernicious anaemia) This is a well-recognised cause of B12 deficiency and may require ongoing management
Methylcobalamin vs Cyanocobalamin: Choosing the Right B12 Injection When youre looking into B12 injection therapy , picking between methylcobalamin and cyanocobalamin is key
Even gastric band surgery isnt always successful
In fact just over purchased from Germany and got given my annual prescription from my GP
While the other B vitamins are water-soluble and absorbed into the bloodstream from the gut, vitamin B12 must first bind to a protein called intrinsic factor (IF) produced in the stomach before it can be absorbed
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