Contact information for the WIC office, East Side Health District E Saint Louis. This WIC clinic is located in E Saint Louis Illinois. The WIC program in Illinois helps provide supplemental foods, health care referrals and nutrition education for low-income pregnant, breastfeeding and non-breastfeeding postpartum women. If you are planning to apply for WIC benefits at East Side Health District E Saint Louis, then you may need to provide proof of income, proof of AHCCCS, TANF, food stamps or Section 8 participation that meets the IL WIC income guidelines and proof of residence or identity. To find out more contact the office below.