Las inyecciones de vitamina B12 pueden ser incompatibles con algunos tipos de medicamentos, como la warfarina y ciertos fenotiacenicos
Funding The authors declare financial support was received for the publication of this article, which was covered by a grant from the Jeppe Juhl and wife Ovita Juhls Memorial Trust (to JF)
Research suggests that the abdomen may be the least painful place for a subcutaneous injection, but this may vary for each individual

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When telomeres reach a critical length, cells enter a state of senescence, losing their replicative capacity and accumulating damage