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This study describes a web-based system developed to gather online information on health of college students and graduates in nutrition, the e-NutriHS. The Nutrititionist Health Study – NutriHS is planned to be a cohort study aiming to collect health-related data at a 3-year interval. The e-NutriHS consists of 6 questionnaires regarding demographic and socioeconomic data, dietary habits, physical activity, alcohol and tobacco uses, anti-fat attitudes and personal and family histories. Validated and internationally recognized lifestyle instruments were used. Our software and respective database are hosted in the School of Public Health server; the software is based on free programming languages. e-NutriHS data obtained from questionnaires can be transferred to excel format. An e-NutriHS prototype was created preceding online attachment. An improved version of website was released based on 20 volunteers’ opinions. 503 users were already registered. Our initiative of building a website designed for collecting data for epidemiological studies, tailored to our local reality, is innovative under the perspective of the health informatics available in the developing world. Considering that web-based systems produce reliable data, are easy to use, less costly and less time-consuming, we conclude that our experience deserves to be shared, particularly with middleincome economy countries.