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Available studies have not demonstrated consistent superiority of one form over the other in their ability to correct B12 deficiency or improve associated symptoms such as fatigue, cognitive impairment, or peripheral neuropathy
Contact your doctor or pharmacist if anything unusual occurs
For example, if you have a vitamin deficiency, it can affect your sleep
B12 injections are clinically indicated for specific patient groups with confirmed deficiency or malabsorption conditions
It has not been shown to improve results or reduce risks in people
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