The WIC food packages were revised in 2007 to align the authorized food with the latest nutrition science and guidance. The majority of WIC participants are satisfied with the revised food packages in terms of the new foods offered and changes in the amounts of food. As summarized in this brief, Impact of the Revised WIC Food Packages on Nutrition Outcomes and the Retail Food Environment, research shows that the revised WIC food packages have favorable impacts on dietary intake, breastfeeding outcomes, and obesity rates. In addition, also as summarized in this brief, studies suggest an important role for WIC in improving neighborhood food environments, which benefits both WIC participants and non-participants.