Methods are provided for modulating RBP4 by administering a RBP4-specific modulator. Also provided are methods for treating cardiovascular and metabolic disorders in a subject or delaying or preventing risk factors thereof through the modulation of RBP4. The present invention is also directed to methods of decreasing lipid levels in a subject or for preventing or delaying the onset of a rise in lipid levels in a subject, comprising administering to said subject a RBP4-specific inhibitor.