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Nutrients 2022
Definition: High serum vitamin B12 is defined by a rate above 950 pg/ml (701pmol/l), which corresponds by biological standards, to the upper limit of biological normality
Sterile solutions remain single-use and lack preservatives for extended vial use
Vitamin B12 shots are the most common way to correct or prevent a B12 deficiency
PAR recommends that the only people who should take B12 shots are those with B12 deficiency who cannot absorb the vitamin when they take it orally
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