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Individuals with low levels of B12 may experience symptoms such as fatigue, insomnia, and changes in appetite, all of which can contribute to weight gain and poor sleep quality
Clinically overt vitamin B12 deficiency, characterized by hematological and neurological dysfunctions, is relatively uncommon
Many people get confused about what these nutrients do for their health
Ann Pharmacother
B vitamins are also essential in cell repair and regrowth, among many other factors
Testing also gives you a baseline to measure against later
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