If you do not live in Europe and cannot find aged cheese of this nature, aged parmesan cheese is a good source of digestive enzymes found in most parts of the US and Canada.

• 如果你没有住在欧洲而无法找到这种性质的陈年奶酪的话，那么陈年干酪也是消化酶的很好来源，可以在美国和加拿大的大部分地区找到。