why is vitamin b12 injection painful Common Mistakes in Injections to Avoid Vitamin B12 Injections vs. Supplements:

There are 3 main ways that you can get B12 into your body: Oral supplements taken and swallowed by the mouth then go into your gut to get absorbed Sublingual supplements that supposedly get absorbed under the tongue which then bypass the gut And intramuscular or subcutaneous injections that bypass the gut entirely by being injected straight into the muscle At first glance, it seems that the sublingual option is probably the best

You may lay down after Botox, but for 2 hours refrain from lying on your face

No serious adverse events were witnessed in all control groups [35]

When your B12 is at healthy levels, you are more likely to feel alert, emotionally steady, and mentally sharp

The benefits are felt almost immediately and typically last 57 days

IMO might be worth encouraging the doctor to query the lab as to exactly what happened there