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Many of these symptoms happen because vitamin B12 deficiency causes a lack of healthy blood cells

Vitamin injections bypass that step

This article is not intended to provide a medical diagnosis, recommendation, treatment, or endorsement

doi: 10.1146/annurev.nutr.19.1.357, 4

You must follow the exact dosing schedule prescribed by your healthcare provider and should not attempt to determine or adjust the dose on your own

Be alert to these supporting symptoms: Constant fatigue, even after good sleep Tingling or numbness in fingers and toes Poor memory or mental fog Mood swings or unexplained anxiety Muscle weakness Breathlessness or palpitations If your skin issues coincide with any of these , its a strong indicator that you should get your B12 levels tested