The purpose of this study is to explore the ability of kvass to alleviate the symptoms of FD and to explore the pharmacological effects of Kvass on gastrointestinal hormones and brain gut peptides in FD rats, particularly, the indexes related to FD, including body weight, food intake, plasma ghrelin, MTL, GAS, VIP, and other routine indexes. This evidence concerns the gene VIP and Fabry disease.