do doctors give b12 injections why How to Give a B12 Injection: Step-By-Step Instructions Treating Severe Vitamin B12 Deficiency

It cannot be used as food, dietary supplement or medicine

Injections can be weekly while refills are made on follow-ups.

Individuals who have had gastrointestinal surgery, such as weight loss surgery, may also have fewer cells through which to secrete stomach acid and intrinsic factor, inhibiting B12 absorption

While many people get enough vitamin B12 from their diet, others may not absorb it efficiently or consume too little

You might feel a slight pinch or discomfort, but its minimal compared to the energy boost youll experience afterward

They can take an otherwise healthy person out of commission for days, and their exact causes arent known