I highly recommend Veggie Wash, which is around NT$250 at Jason's Marketplace. I use this daily!
O Organics Roasted Garlic Pasta sauce is one of the best I've tried. You can find it at Carrefour for around NT$150/ jar.
If you want some REAL high-fiber, whole-wheat bread, you need to go to the Adventist Hospital on BaDe Road, not to far from the Taipei Sports Arena. They have a little bakery on the first floor where you can buy the bread. It's very tasty and makes great sandwiches.
The cheapest refried beans I've found are at Florida Bakery for NT$63/ can. And you can buy great homemade salsa, tortilla chips and pita chips at this bakery, too. Florida Bakery is located on Jhongshan N. Road, near the Filipino grocery stores.
Cheap garbanzo beans at the EEC Filipino Store on Jhongshan N. Road! Only NT$50/ can.
