Compounds, pharmaceuticals, cosmetic or dietary supplements for the treatment of overweight, obesity and/or type II diabetes in a mammal (e.g. human) comprising a compound with formula I or formula II for example ceramidase-inhibitor, such as (1S,2R)-D-ery-thro-2-(N-myristoylamino)-1-phenyl-1-propanol, alone or in combination with an anorexic lipid (or other appetite-inhibiting acylamides or oleoyl-estrone), and methods of treatment comprising administration of said compounds, pharmaceuticals, cosmetic or a dietary supplements. The compounds, pharmaceuticals, cosmetic or dietary supplements and methods of the invention may further be used in modifying the feeding behaviour, suppression of hunger, enhancement of satiety, reduction of energy intake, reduction of fat tissue mass/lean mass ratio in a mammal (e.g. human).