There are many reasons why the body requires vitamin B12
Enhanced Cognitive Function: The benefits of improved focus, memory, and mental clarity are commonly reported
Assessing vitamin B12 absorption and bioavailability: Read the label
[56] [57] Low levels of serum vitamin B 12 may be caused by other factors than B 12 deficiency, such as folate deficiency, pregnancy, oral contraceptive use, haptocorrin deficiency, and myeloma
How we reviewed this article: Current Version October 03, 2025 Written By John DiBella Fact-checked By Dr
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