As long as the color matches what you have seen in previous vials from the same pharmacy and the label confirms B12 content, a darker pink is not alarming
Little and often is the principle, not big amounts at once
[DOI] [PMC free article] [PubMed] [Google Scholar] 14.Borner T., Geisler C.E., Fortin S.M., Cosgrove R., Alsina-Fernandez J., Dogra M., Doebley S., Sanchez-Navarro M.J., Leon R.M., Gaisinsky J., et al
What We Already Know About Long-Term Usage Glutathione injections are known to have positive effects on patients skin condition when applied correctly and under the constant supervision of specialists
GHK-Cu: the blue copper peptide GHK-Cu is made from three amino acids carrying copper