caffeine in general has effect on lipolysis(lipid lysis,ye seb meklet) by activating lipolytic enzymes in adipose tissue. but betam bezu lemetetat endatmoker stimulant selehone heart rate yemechemer baheri alew yehe demo leb lay chigir yefetral...and avoid sweets like sugar mnamn enesum(carbohydrate) excess sihonu be lipogenesis wede fat yekeyeralu so be lek bihon teru new but the heathiest way to lose weight is excercise b/c it has many advantages...