The present invention relates to compositions, methods and kits for promoting glucose clearance in an individual. In particular, the compositions, methods and kits are particularly useful, but not limited to, the treatment of insulin resistance or type 2 diabetes. The invention provides a method of promoting blood glucose clearance in an individual, the method comprising administering SMOC1 to the individual. Preferably, the individual has an impaired ability to clear glucose from the blood. Typically, the individual displays a level of insulin resistance.