The present invention relatesin general to medium chain dicarboxylicacids, their derivatives and theiruses. In particular, the present inventionrelates to a composition comprisingmedium chain dicarboxylic acids and tothe use of medium chain dicarboxylicacids and their derivatives for the preparationof products to treat or preventmetabolic disorders. The composition ofthe present invention can particularlywell be used to treat or prevent hyperglycemia,for example diabetes.