does vitamin b12 injections have side effects do Too Much B12: Is It Bad for Your Health? – How Vitamin B12 Injections Affect

Symptoms of a B12 deficiency include: Excessive fatigue Nerve problems (pain or abnormal sensations like numbness or tingling) Glossitis (tongue inflammation) Low numbers of white blood cells and red blood cells Vitamin B12 deficiency can be diagnosed with a blood test

Insert the needle at a 45- to 90-degree angle into the pinched skin fold

Depending on which nerves are affected, it can cause numbness, tingling, burning pain, weakness, or problems with automatic body functions like blood pressure, digestion, or bladder control

This makes injections especially helpful for people who have trouble absorbing vitamins or need results quickly