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B12 Injections or Shots Timeline B12 absorption through injections provides faster absorption than the process of taking oral supplements
exposure duration, sampling schedule, and concentration verification
Gut microbiome changes: rodent studies indicate altered gut bacteria, with unknown relevance to humans
Again, B12 is harmless even at much higher doses, so its better to play it safe and inject too much rather than too little
[PMID: 21946232] PubMed record related to this compound for laboratory literature review
Smith, M
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