Some medications also reduce B12 absorption (Sobczyska-Malefora et al., 2021) among the main ones are: metformin, proton pump inhibitors (PPIs), such as omeprazole, lansoprazole and esomeprazole, and H2-receptor antagonists, such as ranitidine, cimetidine, famotidine and nizatidine
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Most people tolerate B12 injections well and experience no side effects
This conclusion was also reached in another study (5)
Wegovy and Mounjaro are both prescription-only medicines, and your prescriber will help decide which is most suitable based on your medical history, side effects, and how you respond to treatment
Why B12 Matters During Active Weight Loss During significant weight loss, your body undergoes metabolic shifts that increase demand for B vitamins