b12 injections don't work Who Should Take Vitamin And Why? How Can Vitamin B12 Shots

If you're 50 or over, your doctor may recommend a B12 shot after a significant blood test

For those over 65, the supplementation should probably be increased up to 1,000 mcg of cyanocobalamin each day

Handling before injection Remove the vial from the refrigerator 15 to 30 minutes before your injection

For prevention of deficiency in at-risk groups (e.g., vegans), supplements providing 25100 micrograms daily are often used

Causes of Post-Vaccination Arm Pain After you get a shot, your arm might hurt for a few reasons, which may include: The needle: When the needle goes into your arm, it can cause a little damage to the muscles and tissues