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This inherent stability allows it to remain biologically active for extended periods, a characteristic that makes it suitable for oral administration in research settings, particularly for studies focused on gastrointestinal health
When B12 injections may be used Some people have trouble absorbing B12 through the digestive system
Can you have any reactions or side effects from vitamin B12 injections
Typical injection dosages can range from: 1,000 mcg (1 milligram) given weekly, monthly, or on a less frequent schedule depending on the severity of the deficiency and the individuals response
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