Because of that, the two products answer different workflow needs
Following a precise reconstitution protocol ensures that same level of quality carries through to your final solution
Another source of deficiency can be malabsorption issues, where the body is unable to properly absorb B12 from the intestines due to various gastrointestinal disorders
Effects from a B12 injection can last several weeks to months, depending on your absorption rate, metabolism, and severity of B12 deficiency
Some patients feel as though they want more frequent injections, and occasionally we test levels to see if they are receiving adequate replacement, but Im not sure how strong the evidence is to support this. GPs should consider periodic vitamin B12 testing of higher-risk patients who take metformin, even if they dont display symptoms of deficiency, the UK medicines regulator said earlier this year
The University of Texas at Austin