Mu needs to get B-12 injections and Vitamin A,D & E. I have been taking her to the clinic and vet to get them but vet charges me $39 for office visit and $10 for shot. The clinic showed me how to give her the injections and said to see if I could find the injectables on line. If I got them from the clinic they are huge bottles and cost me $140. She only gets a small amount every 2 months and I hate to pay for such a big bottle to have it just sitting around. Any suggestions?