Can i drink slim fast shakes and take hydroxycute as part of my diet?

i drink 1 or 2 slim fast shakes a day and fallow a diet ...but now i would like to include hydroxycute ..but i dont know if it safe or its ok.i need to lose 15 pounds in 5 weeks.i dont eat bread nore pasta.but i was wondering maybe by take hydroxycute i 'll be able to eat bread and pasta.