It contributes to the production and activity of white blood cells, which are essential for defending the body against infections and diseases
Sleep patterns and mood may also be affected temporarily
Laboratory studies examine receptor activation, cyclic adenosine monophosphate (cAMP) signaling, kinase activation, intracellular trafficking, second messenger communication, transcriptional regulation, peptide metabolism, and molecular adaptation following peptide-receptor interaction
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No trial reported on clinical signs and symptoms of vitamin B 12 deficiency, health-related quality of life, or acceptability of the treatment scheme Orally taken vitamin B 12 showed lower treatment-associated costs than intramuscular vitamin B 12 in one trial
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