Hi, am new to this feeling really frustrated. Don't know where to start so will just jump in. I am thinking of injecting myself but don't know anything about doses. Am having another blood test this week after going to the doctor for the third time because I am not holding the B12 injections (every 10 weeks) My.doctor has said she doesn't know enough about B12 Gave me the number for talking therapy asked if l thought lwould commit suicide!!! I just want to feel better and be able to think straight. Anyway thanks if you can give me some direction.