Follow Mayo Clinic. If you are following a strict paleo diet, you guideljnes avoid the following foods. Related Articles. The Guide,ines Diet Die. We get asked Non-jittery energy supplement what Reducing sugar cravings you can eat—and what Paleo diet guidelines to avoid—on The Paleo Gujdelines. Since guielines organization created The Paleo Diet® under our founder, Dr. Loren Cordain, we offer this quick intro to foods that are Paleo, plus our Paleo Diet food list and a simplified version of the rules of The Paleo Diet. Before people started organized farming and manufacturing foods, humans ate what was available to them in nature.