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Kallner, A., Hartmann, D., & Hornig, D
Vitamin B12 injections are often recommended for individuals who: Follow a vegetarian or vegan diet Have a diagnosed absorption issue such as pernicious anaemia Have had gastric surgery or digestive disorders like Crohns or coeliac disease Take medications that interfere with B12 absorption, such as metformin or proton pump inhibitors Are over the age of 50 and produce less stomach acid Regularly experience fatigue, brain fog or low mood without explanation Even if you havent been formally diagnosed with a deficiency, many people find B12 injections help restore their energy and mental clarity when theyre feeling run down
Proton Pump Inhibitors (PPIs): How Omeprazole Affects B12 Levels Omeprazole, a common proton pump inhibitor, can lower vitamin B12 absorption
Competition for metabolic enzymes could theoretically alter the blood levels of either BPC-157 or the competing medication
Those With Digestive Disorders Conditions like inflammatory bowel disease (IBD), Crohns disease, or other malabsorption syndromes reduce B12 absorption
