1000mg b12 injection Sandoz Vitamin Injectable Solution - 1000 mcg/10 mL Consult your veterinarian for the appropriate sizes Cyanocobalamin (Vitamin B12) Injection 1000

People taking heartburn medication, such as proton pump inhibitors, are at a higher risk for B12 deficiency and may benefit from alternative therapies to control/eliminate the heartburn or have regular Nutrient IV therapies and/or Vitamin B12 injections Elderly Vegans Vegetarians People with tapeworms Alcoholics Excessive use of antibiotics Excessive use of anti-convulsant medication Daily consumption of Aspirin may increase the risk for vitamin B12 deficiency

Nucleic Acids Res 40, D109114 (2011)

This usually isn't harmful

Conover CA, Lee PD, Kanaley JA, Clarkson JT, Jensen MD

The clinical evidence-based analysis has found that oral supplementation is as effective as intramuscular injections