Vitamin B 12 1000 Injection (VetOne), 100 mL VITAMIN B12 INJECTION The Benefits Of Vitamin B12 Ugly London. Acupuncture & Chinese Herbal Medicine Wow guys, you've been gate keeping!! Got my first B12 injection last week and it's like I am awake for the first time since having kids 20 years ago It's Curious about how Cyanocobalamin (Vitamin B12) injections work? This essential vitamin helps your body with red blood cell production, nerve health, and more. Learn about its primary uses, tips for taking Vitamin B12: Overdose and Side Effects