best time to take b12 injections How Often Should You Get A Shot For Optimal Health? Optimal Vitamin B12 Dosage and

Subacute combined degeneration of the spinal cord a serious neurological condition affecting the posterior and lateral columnscan develop with prolonged deficiency, causing progressive weakness and sensory loss

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Vitamin B12 is mostly stored in the liver, but alcohol can cause liver damage and inflammation

If you are past that window and still feel worse, that is your signal to get checked rather than to keep going