A healthy diet can provide an effective complementary approach to alleviating some symptoms of ADHD. From dietary supplements, food additives and artificial dyes to caffeine and food sensitivities there are a lot of options to consider. Create a plan for where to start when making changes and how to track if they are working. Laura Stevens, M.S., has been researching the role of nutrition and food sensitivities in ADHD for more than 25 years. She is considered a pioneer in this important field of study.