Metformin (for diabetes), proton pump inhibitors (such as omeprazole or esomeprazole), and H2 blockers (such as famotidine) can all reduce B12 absorption over time
The combination of GLP-1 and GIP activation is what separates tirzepatide from pure GLP-1 agonists like semaglutide, and clinical data suggests the dual mechanism produces superior weight loss outcomes
A deficiency of vitamin B12 can also cause shortness of breath or heart palpitations, as well as gastrointestinal symptoms including constipation, diarrhea, appetite loss, or gas
You should have your vial of vitamin B12, a sterile syringe, two needles (one for drawing the vitamin and one for injecting), alcohol wipes, and clean gauze or a cotton ball
One note:alcohol consumption can drastically deplete B vitamins (especially thiamine and folate)
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