The most commonly reported side effects are gastrointestinal, including nausea, vomiting, diarrhoea, and constipation, particularly during dose escalation
As B12 serum is going to be tested it may be interesting as the last time that was tested I was over 2000 whatevers so if it is any less it would add to the evidence that the vials were deteriorating over time
I believe other suppliers can also produce good shots
Clean the injection site with an alcohol swab, pinch the skin to create a fold, insert the needle at a 45-90 degree angle, slowly inject the solution, then withdraw the needle and apply gentle pressure to the site
The first
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