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Once in the brain, it influences multiple systems related to sleep regulation
The secondary outcomes were other cognitive and functional measures
Medical and Evidence Context Vitamin B12 is essential for neurological function, red blood cell formation, DNA synthesis, and energy production
One more thing worth saying plainly: fatigue that is severe, sudden, or comes with other symptoms is not something to troubleshoot with a peptide at all
For example, elderly patients or those with multiple health conditions may respond differently
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