Reusing them increases the risk of infection and contamination
The right needle helps the dose reach the right layer of tissue, keeps the injection comfortable, and lowers the small risks that come with any injection
A healthcare professional should administer your first shot so they can monitor your reaction and check for any adverse effects
B12 can be injected just under the skin (often in the abdomen) or into the muscle (usually the thigh)
He recommends one of the following locations: Abdomen For subcutaneous injections, the skin a couple of inches left or right of the belly button is ideal since its easy to pinch, which pulls fatty tissue away from the musclea good idea since youre not aiming for the latter in this approach
For intramuscular injections , which are common for administering Vitamin B12, needle lengths usually range from 5/8 inch to 1.5 inches