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why do people have b12 injections How to Give a Injection: Step-By-Step Instructions Best Vitamin B12 Injection Site:
Description
In severe cases, it can lead to anemia and neurological problems

Side effects are rare and usually mild, such as slight discomfort at the injection site

[1] Initial human trials showed that it retains the lipolytic properties of human growth hormone without stimulating IGF-1 production

Three separate vials win on flexibility
Also, what problems could arise from this
