NEW TREATMENT ALERT A vitamin B12 injection helps treat or prevent deficiency by delivering the vitamin directly into the bloodstream. It's often used for people with absorption issues and is usually safe Vitamin b12 injection hi res stock photography and images Alamy VITAMIN B12 (Generic) Injectable Solution, 1000 mcg mL, 100 mL vial Easy Refills Chewy Rx At Home Vitamin B12 4 Week Injection Package MUST BE A FLORIDA RESID CardioMender, MD