Thinking of a B12 injection for wellness? Here's what you need to know Vitamin B12 injections are prescription only medications and for good reason. They're intended to treat a clinically Vitamin B12 Injection 10mL Vitamin B12 (Hydroxocobalamin) Injection Kare Pharmacy CYANOCOBALAMIN INJECTION, USP 30000 mcg 30 mL (1000 mcg mL) 30 mL VIAL Vitamins B1 B6 B12 Injection, 2 ml at 100 vial in Faridabad ID: 2852412359030 Vitamin B 12 Injectable Solution