use insulin syringe to give b12 injections BD Ultra-Fine Syringes 31G 1cc 5/16" 90/bx : Health & Household B12 Shots at Home: How,
Description
Vitamin B injections may be received once or twice a week, as long as there are three days between injections

Deficiency typically presents as unexplained fatigue, numbness or tingling, and macrocytic anemia
At this point I am afraid of what the second shot is going to do to me

Other rich sources are roasted ham, pork chops, brown rice, lentils, peas and beans such as navy, black, pinto, lima and kidney beans