what is in vitamin b12 injections for Injection Cyanocobalamin 1,000 mcg, 25/Box (Rx) — Mountainside Medical VITAMIN B12 (Generic) Injectable Solution,

AOD-9604 is sold for laboratory, research, or analytical purposes only not for human consumption, veterinary use, or medical applications

The abdominal region is the preferred injection site, though thighs and upper arms are acceptable alternatives

Call your health care provider immediately if you are experiencing any signs of an allergic reaction: skin rash, itching or hives, swelling of the face, lips, or tongue, blue tint to skin, chest tightness, pain, difficulty breathing, wheezing, dizziness, red, swollen painful area on the leg

But when you feel that startling flutter, pound, or skip in your chest, it's only natural to wonder, "Is it really B12, or could it be something else?" That uncertainty can easily spike your anxiety, especially when you feel like you're not getting clear answers about what's happening inside your own body