oral b12 or injection B-12 Injections – Well Life Medicine Vitamin B12 Injections vs. Supplements:
Description
Having all four feet and teeth to deal with can be overwhelming, even for someone used to giving sub-q fluids

Experimental / Wellness Protocols

You are injecting a liquid thats going to disperse into the muscle and sit there for a while, so there may be a little bit of soreness related to that. Other common side effects include diarrhea, headache, and swelling (and not only at the site of the injection)
Br Med Bull

Attach the needle to the pen
Studies such as this one published in PMC highlight the role of malabsorption from mucocutaneous disorders like epidermolysis bullosa can lead to deficiencies that cannot be addressed adequately with oral supplements
