The relationship between diet and autism is an exciting and emerging science. Many families choose to investigate the effects that dietary changes may have on their child with autism. It is important to know that changes in diet do not cure autism but offer one possible option to help manage the symptoms of the disorder. The goal here is to provide families with safe and reliable information about the gluten- and casein-free diet. More importantly, families can find safe, cost-effective, nutrient-rich, and healthy options for those following the gluten- and casein-free diet.