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Vitamin B12 is commonly used by people that are deficient (known through blood work) or that are not able to get sufficient from their daily diet (some vegetarians)
It prevents microbial proliferation after the vial is opened and accessed, extending the usability of a single container
For example, this is common among people who follow a vegan diet
After the reaction, the solvent was removed by rotary evaporation, and then washed three times with ethyl acetate to obtain compound a, which was directly used in the next step without purification
Heres why many of our patients request this treatment: Energy boosting
doi: 10.1111/j.1476-5381.1991.tb12511.x
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