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However, stomach acid and the enzyme pepsin are absolutely essential for cleaving Vitamin B12 from dietary proteins
Use of certain medications that may interact with B12 or choline metabolism (e.g., metformin, proton pump inhibitors, or anticholinergic drugs)
This includes: People with Pernicious Anemia: An autoimmune condition that prevents the absorption of B12 from the gut
Syringes and needles are permitted when accompanied by the medication they are intended for
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