B12 shots can have mild side effects like diarrhea and swelling at the injection site. Vitamin B12 injections are an effective way to treat a deficiency, but they're not for everyone. In fact ...

Once symptoms start improving, your B12 levels will be monitored accordingly to see how many shots you need to continue getting the right amount of the vitamin. Self-Injection Self-injections of ...

doctors may recommend higher doses through supplements or injections. Vitamin B12 is produced by certain microorganisms, that live in the gut microbiome of animals and humans. Here are some ...