Hi Saffrons, if you have that sort of weight to lose then you should lose close to 2stone your 1st month then about a stone a month after that. Should take you close a year if not a little longer, you certainly would not lose 11st in, lets say worst case senerio, 14 months on any other diet. Would take a couple of years but then you already know this or you would not enquiring about Exante.