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As today has gone on, it's become more apparent that I am likely coming down with a virus....so that may be why I don't feel well, and have also been fairly stressed recently, so it could be something that sorts itself over time
Since your body naturally does not make vitamin B12 on its own, you will have to take it from another source like animal-based foods, pill supplements, or injections
Saline lacks the preservative necessary to prevent bacterial growth with repeated use
No human study has established a route conversion or shown that they match oral exposure
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