2015-05-042015-05-042004-03-16Van Buren, Charles T. and Rudolph, Frederick B., "Immunosupportive drug sparing diet." Patent US6706691B1. issued 2004-03-16. Retrieved from https://hdl.handle.net/1911/79865.https://hdl.handle.net/1911/79865The present invention is directed to immunosupportive, drug sparing diets and methods of using these diets. The compositions and methods disclosed herein increase the bioavailability of pharmaceutical compositions metabolized by the gut P450 isozymes.17 ppengUtility patentUS6706691B1