how do you feel after vitamin b12 injection injections what are the side effects of having b12 injections Feeling worse after B12 Injection: Answering concerns-zoresco How to Give B12 Injections

[73] [74] [75] It is synthesized by some bacteria in the gut microbiota in humans and other animals, but it has long been thought that humans cannot absorb this as it is made in the colon, downstream from the small intestine, where the absorption of most nutrients occurs

If youre uncomfortable with self-injection, you can arrange to have a nurse or health professional administer it at an office or clinic

At first, you might need injections often to quickly get B12 levels up

How often will I need to visit the clinic

For most patients with vitamin B12 deficiency, high-dose oral supplements are as effective as intramuscular injections at raising serum B12 levels and resolving symptoms