im injection sites for b12 Best Vitamin Sites: Where to Inject B12 · PA Relief Best Vitamin B12 Injection Sites

Avoids Serious Complications In patients with severe anaemia, intensive treatment with B12 may result in a sudden drop in potassium (hypokalaemia), which can cause muscle weakness or an irregular heartbeat

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Most doctors advise using this area since there are no major blood vessels or nerves nearby that could be punctured by a needle

If you eat a well-balanced diet that includes foods rich in vitamin B12, then it is unlikely that youll need to take additional B12

Generally, yes safety is not the weak point here