The article lists Dr. Gundry's "Yes" and "No" diet foods. Dr. Gundry's approach focuses on consuming nutrient-dense foods while avoiding those that can harm the body. The "Yes" foods include non-starchy vegetables, healthy fats, pasture-raised poultry and eggs, wild-caught fish, and certain fruits. The "No" foods are high in lectins or sugar, such as grains, legumes, nightshade vegetables, processed meats, and most fruits. By following this diet, individuals can improve their health and energy levels.