Harvard Health Publishing notes that intramuscular injections are particularly useful here and that untreated pernicious anemia can cause lasting nervous system damage
Kowalik K, Kulig K, Karnas E, Barczyk-Woznicka O, Zuba-Surma E, Pyza E, Rapala-Kozik M, Karkowska-Kuleta J (2024) Extracellular vesicles of Lactiplantibacillus plantarum PCM 2675 and Lacticaseibacillus rhamnosus PCM 489: an introductory characteristic
Cong VT, Houng JL, Kavallaris M, Chen X, Tilley RD, Gooding JJ
Refrigerate at 28 C, protect from light (the copper complex is light-sensitive), keep upright, and do not freeze the reconstituted solution
I said, that's okay
doi: 10.1128/jcm.7.1.28-33.1978 29 PotrykusK.CashelM