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what is in the b12 injection Are Injections? And Are They Safe? B12 INJECTIONS - The Nurse
Description
doi: 10.1021/acscombsci.0c00077

Some people say they can cope on this regime but many of us cant, myself included

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B12 injections are commonly used to help people who have low vitamin B12 levels or difficulty absorbing enough vitamin B12 through normal methods

The reasons for this are complex, but the overlap between the various functions of the different B vitamins is thought to be one aspect
