Methods and materials relating to a medicament preparation comprising a curcuminoid component and a euradit component provided as a curcuminoid-eudragit complex, which enhance the bioavailability of the curcumin component and are useful for the treatment of various diseases including cancer, neurodegeneration, inflammation, and immunodeficiency. In some aspects, the curcuminoid component comprises curcumin to prepare a curcumin-eudragit complex and a medicament comprising curcumin-eudragit complexes.