Dietary sources of B12, such as meat, fish, and dairy products, provide most people with enough of the vitamin
Slow IV injection is an option when immediate availability of the vitamins is desired or if the patient is already receiving IV fluids
Treatment: The standard treatment for hives is antihistamines, which are available in OTC and prescription forms, per Mayo Clinic
Understanding how vitamin B12 works in your body helps you see its wider effects
By sticking to these rules and getting help from a doctor, you can safely give yourself b12 injection dose for adults
High doses might also possibly interfere with levels of other vitamins, enzymes and minerals, which is always a potential problem when taking any nutrient in very large quantities