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Patients typically feel the increased energy, mental clarity, and mood enhancement from each B12 injection for 5-15 days on average before it tapers off
The mechanism behind this
Red blood cells carry oxygen throughout your body, and a deficiency in B12 can lead to anemia, which causes symptoms such as fatigue, weakness, and pale skin
Signs You Might Have a Vitamin B12 Deficiency Vitamin B12 plays a key role in many bodily functions, and a deficiency can show up in a variety of ways
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