syringes for b12 injections 10x Needles and Why B12 Shots Are Popular

These include: Allergic Reaction Injection allergic reaction icon- Picture Courtesy: vectorstock.com Although, the allergic reaction to this vitamin injection is rare, yet it may cause redness, soreness, or pain on the injection site

Reviewing and stopping B12 injections You should review or stop B12 injections when a blood test shows your levels have normalised, when a dietary cause can be managed with tablets, or when your GP advises a change

[DOI] [PubMed] [Google Scholar] 31.Fredrikson G, Tornqvist H, Belfrage P

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A Cochrane review comparing oral and intramuscular B12 found comparable effects on blood levels, and the same principle of good absorption applies to the subcutaneous route