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The injection takes only seconds with a very fine needle, usually causing little to no discomfort
While generally well-tolerated, some individuals may experience side effects such as: Irritation or redness at the injection site Temporary fatigue or nausea Immediate medical consultation is recommended if you experience severe side effects or allergic reactions
Numbness or tingling in the hands and feet could be a neurological symptom, emphasizing the importance of addressing B12 levels for nerve health
www.acog.org
Most research-supply guidance keeps reconstituted vials usable for about 3-4 weeks
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