This complex process means that conditions affecting the stomach or intestines can significantly impair B12 absorption, including pernicious anaemia, atrophic gastritis, previous gastric surgery, coeliac disease, Crohn's disease, and long-term use of certain medications (such as metformin, proton pump inhibitors, and H2 antagonists)
Patients should also be aware that certain medicationssuch as proton pump inhibitors (PPIs) and metformincan interfere with B12 absorption, though this is less relevant once on injection therapy
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Can be given directly or added to food for easy use
Our team has worked with research-grade peptides across hundreds of protocols
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