route of administration of vitamin b12 injection Best Site: Administering B12 Shots Cobalamin (vitamin B12) and Folate

When side effects do occur, they are typically mild and may include: Mild gastrointestinal symptoms such as nausea, diarrhoea, or upset stomach, particularly when starting supplementation or taking high doses on an empty stomach Skin reactions including itching, rash, or a sensation of swelling, though these are uncommon Headache or dizziness in some individuals, particularly with intramuscular injections Injection site reactions (pain, redness, or swelling) when B12 is administered via intramuscular injection for deficiency treatment It is important to note that serious adverse effects are rare

Pozzi V, Sartini D, Morganti S, Giuliante R, Di Ruscio G, Santarelli A, Rocchetti R, Rubini C, Tomasetti M, Giannatempo G (2013) RNA-mediated gene silencing of nicotinamide N-methyltransferase is associated with decreased tumorigenicity in human oral carcinoma cells

Also, I want to confirm that for each vial I bought I want 10 of saline per bottle to mix and this will give me how many injections

For US and the rest of the world, orders take between 7 and 10 working days.