... take to start losing weight? Have been on Voctoza I hardly eat anything all day but I am not losing weight. I am getting very discouraged. How long ones it take to start losing weight? I don't have a thyroid.My Dr. Put me on this medication to help me lose weight.I am on 1.2. Please let me know if I am even going to lose weight? It is possible that It is even going to help me.