Exante or slim and save were on on one of the programmes on telly a couple of years ago they do shakes they are similar to slimfast depending on weight you do I think 3 or 4 shakes a day they also do some meals which are powder you mix with water and very sloppy
Try taking quinine I was told this would help with my cramps i was on it a few years ago and they got better but different dr now and wont prescribe and I haven't found them but its in tonic water alylthough I don't like this when Im bad I will drink it