B12 injections have lots of benefits from just 1 dose. A dose can be given every 6 months to boost benefits, unless you have a b12 deficiency or pernicious anaemia with proof Common Injections Cheat Sheet Save for Ward Rounds! Insulin Diabetes Subcut 0.51 unit kg Vitamin B12 Deficiency Neuropathy IM 1001000 mcg Tetanus Toxoid Compounded Cyanocobalamin (Vitamin B12) Injection Empower B12 for cats Feline Infectious Peritonitis Book in for your Vitamin B12 injections privately. Booster dose is 6 injections over 2 weeks for 150, then one injection every 8 12 weeks for 30 depending on your symptoms returning!!! Very