does b12 injection interfere with pfizer covid vaccine Pfizer, partner BioNTech say updated shot shows better immune response Pfizer says its booster shot

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She told me that I will get better but that it will take time (possibly months)

After my first injection of Pfizer I almost immediately experienced nausea, incredible fatigue, dizziness, shakiness, immense muscle and joint pain all of which are intermittent ~ I never know when Im going to feel like I will pass out although it is intermittent it is still quite disturbing

An update International journal of laboratory hematology,The official journal of the international society of the laboratory hematology, First published: 11 January 2009

Are B12 Injections Better Than Pills

This can happen if you suffer from various gastrointestinal issues including celiac disease, Crohns disease, cancer, damage to your digestive tract, or an infection