10.2147/IJN.S213883 53 JelovacN.SikiricP.RucmanR.PetekM.MarovicA.PerovicD.et al (1999)
This impairment of DNA synthesis affects the rapidly dividing cells of the bone marrow earlier than other cells, resulting in the production of large, immature, hemoglobin-poor red blood cells (macrocytosis), as well as effects on white blood cells, including abnormal (hypersegmented) neutrophils and reduced overall cell counts (pancytopenia)
They play a critical role in managing biological functions, including hormone production, immune response, tissue repair, and cell communication
Omeprazole is mostly used to eradicate H.pylori together with antimicrobials
This extra layer of protection can mean the difference between safe supplement use and a career-derailing positive test
Another B12 shot side effect is diarrhea, though its usually pretty mild