The present invention provides pharmaceutical compositions comprising: (a) a modulator of hepatic parasympathetic tone, (b) at least one diabetes drug, and (c) a pharmaceutically acceptable carrier. The present invention includes methods for the treatment and/or prevention of insulin resistance, type 2 diabetes, impaired glucose intolerance, and other associated disorders with pharmaceutical compositions described herein. The invention also provides for a kit comprising a pharmaceutical composition and instructions for its use.