iron infusion and b12 injection Compounded Methylcobalamin (Vitamin B12) Injection, 5mg/mL Dextran complex of ferric iron

9 Getting a B12 Shot Earlier in the Day Will Decrease the Chance of Insomnia B12 shots do not contain any stimulants , but depending on how sensitive you are, getting the shot in the evening may lead to vivid dreams or insomnia

Farmacotherapeutisch Kompas

As B12 serum is going to be tested it may be interesting as the last time that was tested I was over 2000 whatevers so if it is any less it would add to the evidence that the vials were deteriorating over time

However, the UK Government says to avoid taking too much, as it could be harmful

A qualified provider will evaluate your health to ensure treatment is appropriate and safe

e071725e071725, www.bmj.com/content/383/bmj-2022-071725, Dangour, Alan D, et al