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How long does a B12 injection last
It is supplied exclusively for laboratory and scientific research
The GRADE assessment showed moderate certainty of evidence for the increase in serum vitamin B12 levels and low certainty of evidence for homocysteine reduction, both across all studies and within RCT-only and observational-only subgroups
Some research protocols require preservative-free sterile water rather than bacteriostatic water
Thus, it appears important to evaluate vitamin B 12 status, as well as kidney function, in older individuals with elevated homocysteine levels prior to initiating homocysteine-lowering therapy
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