GAPS diet introduction phase stage 1 includes a lot of meat stock, soups, stews, and lots of animal fats. It’s crucial to provide plenty of these foods every single day. These are what will actually accomplish a lot of the rebuilding and healing. Stage 1 of the GAPS introduction diet eliminates fiber and other foods that are hard to digest. That’s to give the digestive system a much needed rest. It is also helpful to soothe and heal areas of inflammation.