<qa>  What is the purpose of the Orlifat trial?The objective of the Orlifat trial is to investigate if dietary fibres from linseeds and dairy calcium Capolac may reduce gastrointestinal side effects related to increased fecal fat content, induced by treatment with Alli orlistat. Secondly, effect on food intake, anthropometry, Quality of Life and cardiovascular risk markers will be evaluated. The trial is designed as a randomised 2 x 2 factorial 13-weeks parallel intervention, in which 72 obese participants will be randomised to supplementation with flaxseed fibres andor dairy calcium concentrate Capolac in addition to treatment with Alli : 