Acceleration of lipid metabolism using vanillylamine derivatives

A method of accelerating lipid metabolism for reduction or prevention of accumulation of body fat in a subject, comprising:

• administering to said subject a lipid metabolism accelerating amount of a vanillylamine derivative selected from the group consisting of vanillylamine, a vanillylamide derived from an unsaturated carboxylic acid wherein said acid has from 8 to 18 carbon atoms, or a vanillylamide derived from a saturated carboxylic acid wherein said saturated carboxylic acid has from 2 to 22 carbon atoms, in a food substance.