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Certain populations face higher deficiency risk: vegetarians and vegans (B12 is primarily found in animal products), adults over 50 (decreased stomach acid reduces B12 absorption), individuals with digestive disorders like Crohn's disease or celiac disease, and those taking medications like metformin or proton pump inhibitors
Commonly used alongside research peptides and similar laboratory compounds
This helps ensure they are not using materials from questionable sources
Tell your clinician about all medicines, especially diabetes drugs, because dose adjustments may be needed
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