Other Injections Other injections containing other vitamins, minerals, and amino acids may also be used for weight loss
Drinking a lot of alcohol or taking certain medicines can also affect B12 absorption
Injection Site Reactions: Mild pain, redness, or swelling at the injection site may occur, but these symptoms typically resolve quickly
Neomycin, colchicine, para-aminosalicylic acid, or excessive alcohol intake longer than two weeks may cause malabsorption of vitamin B12. Chloramphenicol and other drugs having bone marrow suppressant properties may cause a lack of therapeutic response to vitamin B12
It has previously been suggested that mucosal immunity tends to be short-lived and that vaccines targeted to the mucosa may be less immunogenic at these sites [43], which are limitations that need to be overcome for efficacious mucosal-targeted vaccines