One dose doesnt fit all, especially if it comes from a random vendor with little evidence that each batch is tested for contaminants
They exhibit low immunogenicity, allowing their use in allogenic settings and enabling off-the-shelf products
Some patients may struggle to absorb enough B12 from diet or oral supplements, especially those with conditions like pernicious anemia, gastrointestinal disorders, or those who have undergone certain surgeries
Introduction COVID-19 is an acute infectious disease caused by the novel coronavirus (SARS-CoV-2) that can manifest as asymptomatic or severe pneumonia and multiple organ failure ( Patients recovering from COVID-19 have reported cognitive problems such as decreased memory and attention and sleep disorder
Dietary Changes: Consuming foods rich in vitamin B12, such as lean meats, eggs, dairy products, and fortified cereals, can help supplement the body's requirements