syringes for vitamin b12 injection Needle Size a Injection: A Simple Guide π HOW TO SELF-INJECT B12
Description
Headache: Some individuals may experience headaches after receiving a vitamin B12 injection
Symptoms include headaches, dizziness, insomnia, or fatigue

If you suspect you might have a B12 deficiency, the best place to start is with a medical evaluation

Always consult your physician or other appropriately qualified healthcare provider with any medical concerns or questions

Green says
