You can get pernicious anemia if: You have an autoimmune disease that makes your immune system attack the cells in your stomach that produce intrinsic factor, a protein that helps your body absorb B12
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Use this guide to help determine if you are using B12 correctly and how to inject B12 correctly
While animal-based foods are naturally rich in vitamin B12, many plant-based foods and breakfast cereals are fortified to help people meet their needs
In turn, this may contribute to the development of depression by increasing oxidative stress, DNA damage, and cell death in the body ( A 2020 study with 132 children and teens, 89 with and 43 without depression, found that the participants with depression had lower B12 levels and higher levels of homocysteine compared with those without depression ( In addition to depressive symptoms, low or deficient B12 levels may lead to other mental conditions, including psychosis and mood disorders ( Because a deficiency in B12 negatively impacts the central nervous system, people with low or deficient B12 levels may feel foggy-headed and have difficulty concentrating and completing tasks ( Fortunately, studies show that mental impairment related to low B12 levels can improve with B12 treatment
By knowing these factors and dosage ranges, healthcare providers can customize Vitamin B12 therapy