For B-12 deficiency: Anemia has two main causes: iron deficiency (micro) and B12 (macro) in younger humans. A B12 blood level can be obtained and if low , B12 shot can be obtained.
Answered 6/24/2014
5.6k views
In the muscle: the B12 is injected into the muscle where it then is absorbed into the circulation. Some people do not absorb b12 in their diet and need to get a shot of it-
Answered 5/30/2015
2.8k views
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A doctor has provided 1 answer
4 doctors weighed in across 2 answers
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