can vitamin b12 injections cause insomnia and Menopause Did you know all the

She did have dizziness

In metabolically active tissues, fatty-acid handling may involve CD36, plasma-membrane fatty-acid-binding protein, and fatty-acid transport proteins, although their relative contribution depends on tissue and physiological state

The nervous system erroneously incorporates these abnormal, branched fatty acids into neuronal lipids, which destabilizes the myelin sheaththe protective coating around your nerves

However, for a more sustained and significant improvement in chronic fatigue, it often takes several weeks or even a couple of months of regular injections for the body to fully restore its B12 stores and for symptoms to noticeably subside

PMID 30845641

Your RN can suggest a schedule