The Special Supplemental Nutrition Program for Women, Infants and Children (WIC) is an important source of nutritious foods and nutrition education for many pregnant women, new mothers, infants, and children up to age five in low-income families. The program provides a monthly package of WIC checks that can be used in the grocery store to buy specific healthy foods. NOTE: This document was published in 2009 and is part of the Resource Library for its citation in this recently updated resource: Impact of the Revised WIC Food Packages on Nutrition Outcomes and the Retail Food Environment (pdf).