What is good liquid diet supplement drink to loose weight? I have health problems can't do excerise?

I have some serious heath problems and there flaring up, and since any excerizes are out do to major fatigue, anyone have some liquid protien drinks I could tak , have no eating appertigte. and besideds want to loose weight , the drinks will give me the protien and I take all kinds vitimins. so covered there. Any suggestions on effective diet drinks help to loose weight?