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Understanding when such feelings are normal, temporary, or a reason to see a doctor provides helpful clarity
When the anemia is severe and the red blood cell count is extremely low, blood transfusions may be necessary for the first couple of days until the vitamin B 12 injections begin working
Starting at $99 Support steady energy, endurance, and recovery with an easy, injection-free way to boost NAD+ for lasting cellular energy
Who Is at Risk for B12 Deficiency
Some people may experience: Soreness at the injection site: A little redness or swelling where the injection was given
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