Enjoy Function Drinks Urban Detox Citrus Prickly Pear (12x16.9 Oz). Prickly Pear Extract. derived from a cactus. has been shown to possess restorative powers and reduce feelings of dehydration. N-Acetyl Cysteine is known to help protect the liverï¾"s ability to detoxify and to also improve liver function (Please note information is descriptional only. Please refer ingredients on product prior to use and please consult your health professional with any health or dietary matters before use.)