b12 injections not raising levels I Will Never Let A Doctor Give Me This shots are helpful. Anything that is injected through the skin, that travels to and is released into the muscle, can result The Truth About B12 Injections:

Worked example for a 50 mg vial: This is concentration math, not a dose recommendation

The nausea typically peaks in the first few days after a dose increase and gradually subsides as the body adjusts

But B12 is involved in complex body wide set of interactions

How it works: Microneedling creates controlled micro-injuries that trigger natural wound healing and collagen production

The following factors may increase the likelihood of having a B12 deficiency

This may be relevant for people with malabsorption disorders such as Crohn's disease or coeliac disease, though it's important to note that for pernicious anaemia, intramuscular hydroxocobalamin injections remain the first-line treatment in the UK, as recommended by NICE and the British Society for Haematology