There is After having a B12 shot, a person should monitor for adverse symptoms and seek medical help if they experience: severe pain at the injection site mild diarrhea a swelling sensation in the body temporary itching of the skin In rare cases, a person may also be at risk of: anaphylaxis pulmonary edema congestive heart failure peripheral vascular thrombosis, which involves blood clots polycythemia vera, which is a type of blood cancer If anyone experiences difficulty breathing, hives, or swelling, they need emergency medical help
Weve reviewed last weeks updates, particularly the addition of some peptides to Category 2, said APCs Scott Brunner
While still less common, it offers the convenience of an oral route, making it more accessible for some patients
I would wait until there are more human trials, and theres more human evidence, Spittler said