How to Give a B12 Injection: Step By Step Instructions B12 IM Needles & Syringe: Boost Your Energy Today! BD Insulin Syringe & Needle, 1mL, 31G x 5 16", Ultra Fine Short Needle, 100 Box Do Lipotropic B12 Injections Get Results? National Medical Resources Inc Amazon.com: Ulove Prs 12 Pack 1ml Industrial Syringes with 25Ga 1 Inch Needle, Plastic Disposable Syringe and needle for Scientific Labs, Liquids Refilling and Measuring : Industrial & Scientific Vitamin B 12 intramuscular injections are also used therapeutically to help restore energy and combat various symptoms related to such deficiencies. Vitamin B 12 is essential to the development of healthy blood cells, nerve