Abstract
Objective: To evaluate the profile of the use of WhatsApp in the professional practice of the nutritionist. Methods: This was a descriptive, cross-sectional, quantitative and qualitative study, where a questionnaire was used for nutritionists in the city of Picos-PI. Those professionals who accepted to participate in the research were included, through the provision of access to their respective places of work and excluded those who were not registered with the Regional Nutritionist Council regularized. Results: It was observed that the use of the WhatsApp application works as a useful work tool, proving to be effective, practical and accessible, as well as improving the interpersonal relationship with the working groups involved. However, the occurrence of invasion of privacy, side issues and inconvenience were the most commonly reported negatives. Conclusion: The application showed to be effective, thus evidencing a high degree of contribution as a tool of work of the professional nutritionist, however bringing to his environment inconvenient subjects, therefore being necessary attention at the moment of its use.