are b12 injections better than pills vs. Oral Supplements: Which Is Better? Vitamin B12 Injections vs. Supplements:

Each appointment time for a vitamin B12 injection takes no longer than 15 minutes to complete, which makes the appointment an easy, and quick solution for your vitamin B12 deficiency needs

But, some might feel: Pain, redness, or swelling at the injection site Mild diarrhea or itching Headaches or fatigue These issues are usually mild and go away quickly without needing a doctor

If you find the 45 unit mark uncomfortably small to read, the honest options are (a) use a finer-gradation syringe, or (b) follow a protocol built around the 50 mg vial, whose larger draw is more forgiving not to freehand a bigger volume from the 10 mg vial, which would silently overdose relative to the documented figure

[13] There have also been rare reports of high-dose vitamin B (as in injectable form) precipitating skin outbreaks such as acne or rosacea in susceptible persons